285047721

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 517939200

約数和(自身を除く): 232891479

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 79, 119, 153, 189, 237, 357, 459, 553, 711, 1071, 1123, 1343, 1659, 2133, 3213, 3369, 4029, 4977, 7861, 9401, 10107, 12087, 14931, 19091, 23583, 28203, 30321, 36261, 57273, 70749, 84609, 88717, 133637, 171819, 212247, 253827, 266151, 400911, 515457, 621019, 798453, 1202733, 1508189, 1863057, 2395359, 3608199, 4524567, 5589171, 10557323, 13573701, 16767513, 31671969, 40721103, 95015907, 285047721]

約数ペア:

[(1, 285047721), (3, 95015907), (7, 40721103), (9, 31671969), (17, 16767513), (21, 13573701), (27, 10557323), (51, 5589171), (63, 4524567), (79, 3608199), (119, 2395359), (153, 1863057), (189, 1508189), (237, 1202733), (357, 798453), (459, 621019), (553, 515457), (711, 400911), (1071, 266151), (1123, 253827), (1343, 212247), (1659, 171819), (2133, 133637), (3213, 88717), (3369, 84609), (4029, 70749), (4977, 57273), (7861, 36261), (9401, 30321), (10107, 28203), (12087, 23583), (14931, 19091)]