398232015

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{110161}}^1$

素因数の和:110410

約数の個数: 16

約数和(自身を含む): 639820896

約数和(自身を除く): 241588881

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 110161, 330483, 550805, 1652415, 26548801, 79646403, 132744005, 398232015]

約数ペア:

[(1, 398232015), (3, 132744005), (5, 79646403), (15, 26548801), (241, 1652415), (723, 550805), (1205, 330483), (3615, 110161)]