2108705325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{396001}}^1$

素因数の和:396085

約数の個数: 24

約数和(自身を含む): 3535505856

約数和(自身を除く): 1426800531

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 396001, 1188003, 1980005, 5940015, 9900025, 28116071, 29700075, 84348213, 140580355, 421741065, 702901775, 2108705325]

約数ペア:

[(1, 2108705325), (3, 702901775), (5, 421741065), (15, 140580355), (25, 84348213), (71, 29700075), (75, 28116071), (213, 9900025), (355, 5940015), (1065, 1980005), (1775, 1188003), (5325, 396001)]