205819995

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{104743}}^1$

素因数の和:104882

約数の個数: 16

約数和(自身を含む): 331828992

約数和(自身を除く): 126008997

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 104743, 314229, 523715, 1571145, 13721333, 41163999, 68606665, 205819995]

約数ペア:

[(1, 205819995), (3, 68606665), (5, 41163999), (15, 13721333), (131, 1571145), (393, 523715), (655, 314229), (1965, 104743)]