1621347786

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 3996057600

約数和(自身を除く): 2374709814

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 127, 138, 171, 207, 254, 342, 381, 414, 437, 513, 541, 621, 762, 874, 1026, 1082, 1143, 1242, 1311, 1623, 2286, 2413, 2622, 2921, 3246, 3429, 3933, 4826, 4869, 5842, 6858, 7239, 7866, 8763, 9738, 10279, 11799, 12443, 14478, 14607, 17526, 20558, 21717, 23598, 24886, 26289, 29214, 30837, 37329, 43434, 52578, 55499, 61674, 65151, 68707, 74658, 78867, 92511, 110998, 111987, 130302, 137414, 157734, 166497, 185022, 206121, 223974, 236417, 277533, 332994, 335961, 412242, 472834, 499491, 555066, 618363, 671922, 709251, 998982, 1236726, 1305433, 1418502, 1498473, 1580261, 1855089, 2127753, 2610866, 2996946, 3160522, 3710178, 3916299, 4255506, 4740783, 6383259, 7832598, 9481566, 11748897, 12766518, 14222349, 23497794, 28444698, 30024959, 35246691, 42667047, 60049918, 70493382, 85334094, 90074877, 180149754, 270224631, 540449262, 810673893, 1621347786]

約数ペア:

[(1, 1621347786), (2, 810673893), (3, 540449262), (6, 270224631), (9, 180149754), (18, 90074877), (19, 85334094), (23, 70493382), (27, 60049918), (38, 42667047), (46, 35246691), (54, 30024959), (57, 28444698), (69, 23497794), (114, 14222349), (127, 12766518), (138, 11748897), (171, 9481566), (207, 7832598), (254, 6383259), (342, 4740783), (381, 4255506), (414, 3916299), (437, 3710178), (513, 3160522), (541, 2996946), (621, 2610866), (762, 2127753), (874, 1855089), (1026, 1580261), (1082, 1498473), (1143, 1418502), (1242, 1305433), (1311, 1236726), (1623, 998982), (2286, 709251), (2413, 671922), (2622, 618363), (2921, 555066), (3246, 499491), (3429, 472834), (3933, 412242), (4826, 335961), (4869, 332994), (5842, 277533), (6858, 236417), (7239, 223974), (7866, 206121), (8763, 185022), (9738, 166497), (10279, 157734), (11799, 137414), (12443, 130302), (14478, 111987), (14607, 110998), (17526, 92511), (20558, 78867), (21717, 74658), (23598, 68707), (24886, 65151), (26289, 61674), (29214, 55499), (30837, 52578), (37329, 43434)]