161780490081

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2543}}^1$

素因数の和:2717

約数の個数: 160

約数和(自身を含む): 295215528960

約数和(自身を除く): 133435038879

約数列:

[1, 3, 7, 9, 21, 27, 29, 53, 63, 73, 81, 87, 159, 189, 203, 219, 261, 371, 477, 511, 567, 609, 657, 783, 1113, 1431, 1533, 1537, 1827, 1971, 2117, 2349, 2543, 3339, 3869, 4293, 4599, 4611, 5481, 5913, 6351, 7629, 10017, 10759, 11607, 13797, 13833, 14819, 16443, 17801, 19053, 22887, 27083, 30051, 32277, 34821, 41391, 41499, 44457, 53403, 57159, 68661, 73747, 81249, 96831, 104463, 112201, 124497, 133371, 134779, 160209, 171477, 185639, 205983, 221241, 243747, 290493, 313389, 336603, 400113, 404337, 480627, 516229, 556917, 663723, 731241, 785407, 871479, 943453, 1009809, 1200339, 1213011, 1299473, 1441881, 1548687, 1670751, 1991169, 2193723, 2356221, 2830359, 3029427, 3639033, 3898419, 3908591, 4646061, 5012253, 5383531, 5973507, 7068663, 8491077, 9088281, 9838867, 10917099, 11695257, 11725773, 13938183, 15036759, 16150593, 21205989, 25473231, 27360137, 29516601, 35085771, 35177319, 37684717, 41814549, 48451779, 63617967, 68872069, 76419693, 82080411, 88549803, 105257313, 105531957, 113054151, 145355337, 206616207, 246241233, 265649409, 285327143, 316595871, 339162453, 436066011, 619848621, 738723699, 796948227, 855981429, 1017487359, 1859545863, 1997290001, 2216171097, 2567944287, 3052462077, 5578637589, 5991870003, 7703832861, 17975610009, 23111498583, 53926830027, 161780490081]

約数ペア:

[(1, 161780490081), (3, 53926830027), (7, 23111498583), (9, 17975610009), (21, 7703832861), (27, 5991870003), (29, 5578637589), (53, 3052462077), (63, 2567944287), (73, 2216171097), (81, 1997290001), (87, 1859545863), (159, 1017487359), (189, 855981429), (203, 796948227), (219, 738723699), (261, 619848621), (371, 436066011), (477, 339162453), (511, 316595871), (567, 285327143), (609, 265649409), (657, 246241233), (783, 206616207), (1113, 145355337), (1431, 113054151), (1533, 105531957), (1537, 105257313), (1827, 88549803), (1971, 82080411), (2117, 76419693), (2349, 68872069), (2543, 63617967), (3339, 48451779), (3869, 41814549), (4293, 37684717), (4599, 35177319), (4611, 35085771), (5481, 29516601), (5913, 27360137), (6351, 25473231), (7629, 21205989), (10017, 16150593), (10759, 15036759), (11607, 13938183), (13797, 11725773), (13833, 11695257), (14819, 10917099), (16443, 9838867), (17801, 9088281), (19053, 8491077), (22887, 7068663), (27083, 5973507), (30051, 5383531), (32277, 5012253), (34821, 4646061), (41391, 3908591), (41499, 3898419), (44457, 3639033), (53403, 3029427), (57159, 2830359), (68661, 2356221), (73747, 2193723), (81249, 1991169), (96831, 1670751), (104463, 1548687), (112201, 1441881), (124497, 1299473), (133371, 1213011), (134779, 1200339), (160209, 1009809), (171477, 943453), (185639, 871479), (205983, 785407), (221241, 731241), (243747, 663723), (290493, 556917), (313389, 516229), (336603, 480627), (400113, 404337)]