289256877

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11393}}^1$

素因数の和:11450

約数の個数: 48

約数和(自身を含む): 530869248

約数和(自身を除く): 241612371

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 8463, 11393, 25389, 34179, 79751, 102537, 148109, 239253, 353183, 444327, 717759, 1036763, 1059549, 1332981, 2472281, 3110289, 3178647, 4591379, 7416843, 9330867, 13774137, 22250529, 32139653, 41322411, 96418959, 289256877]

約数ペア:

[(1, 289256877), (3, 96418959), (7, 41322411), (9, 32139653), (13, 22250529), (21, 13774137), (31, 9330867), (39, 7416843), (63, 4591379), (91, 3178647), (93, 3110289), (117, 2472281), (217, 1332981), (273, 1059549), (279, 1036763), (403, 717759), (651, 444327), (819, 353183), (1209, 239253), (1953, 148109), (2821, 102537), (3627, 79751), (8463, 34179), (11393, 25389)]