217880895

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{204583}}^1$

素因数の和:204662

約数の個数: 16

約数和(自身を含む): 353521152

約数和(自身を除く): 135640257

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 204583, 613749, 1022915, 3068745, 14525393, 43576179, 72626965, 217880895]

約数ペア:

[(1, 217880895), (3, 72626965), (5, 43576179), (15, 14525393), (71, 3068745), (213, 1022915), (355, 613749), (1065, 204583)]