71325555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 64149645

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 97, 105, 141, 149, 235, 291, 329, 447, 485, 679, 705, 745, 987, 1043, 1455, 1645, 2037, 2235, 3129, 3395, 4559, 4935, 5215, 7003, 10185, 13677, 14453, 15645, 21009, 22795, 31913, 35015, 43359, 49021, 68385, 72265, 95739, 101171, 105045, 147063, 159565, 216795, 245105, 303513, 478695, 505855, 679291, 735315, 1517565, 2037873, 3396455, 4755037, 10189365, 14265111, 23775185, 71325555]

約数ペア:

[(1, 71325555), (3, 23775185), (5, 14265111), (7, 10189365), (15, 4755037), (21, 3396455), (35, 2037873), (47, 1517565), (97, 735315), (105, 679291), (141, 505855), (149, 478695), (235, 303513), (291, 245105), (329, 216795), (447, 159565), (485, 147063), (679, 105045), (705, 101171), (745, 95739), (987, 72265), (1043, 68385), (1455, 49021), (1645, 43359), (2037, 35015), (2235, 31913), (3129, 22795), (3395, 21009), (4559, 15645), (4935, 14453), (5215, 13677), (7003, 10185)]