66772305

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20899}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 117374400

約数和(自身を除く): 50602095

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20899, 62697, 104495, 188091, 313485, 940455, 1483829, 4451487, 7419145, 13354461, 22257435, 66772305]

約数ペア:

[(1, 66772305), (3, 22257435), (5, 13354461), (9, 7419145), (15, 4451487), (45, 1483829), (71, 940455), (213, 313485), (355, 188091), (639, 104495), (1065, 62697), (3195, 20899)]