68523525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 141727040

約数和(自身を除く): 73203515

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 139, 175, 225, 313, 315, 417, 525, 695, 939, 973, 1251, 1565, 1575, 2085, 2191, 2817, 2919, 3475, 4695, 4865, 6255, 6573, 7825, 8757, 10425, 10955, 14085, 14595, 19719, 23475, 24325, 31275, 32865, 43507, 43785, 54775, 70425, 72975, 98595, 130521, 164325, 217535, 218925, 304549, 391563, 492975, 652605, 913647, 1087675, 1522745, 1957815, 2740941, 3263025, 4568235, 7613725, 9789075, 13704705, 22841175, 68523525]

約数ペア:

[(1, 68523525), (3, 22841175), (5, 13704705), (7, 9789075), (9, 7613725), (15, 4568235), (21, 3263025), (25, 2740941), (35, 1957815), (45, 1522745), (63, 1087675), (75, 913647), (105, 652605), (139, 492975), (175, 391563), (225, 304549), (313, 218925), (315, 217535), (417, 164325), (525, 130521), (695, 98595), (939, 72975), (973, 70425), (1251, 54775), (1565, 43785), (1575, 43507), (2085, 32865), (2191, 31275), (2817, 24325), (2919, 23475), (3475, 19719), (4695, 14595), (4865, 14085), (6255, 10955), (6573, 10425), (7825, 8757)]