9953945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 12441600

約数和(自身を除く): 2487655

約数列:

[1, 5, 31, 149, 155, 431, 745, 2155, 4619, 13361, 23095, 64219, 66805, 321095, 1990789, 9953945]

約数ペア:

[(1, 9953945), (5, 1990789), (31, 321095), (149, 66805), (155, 64219), (431, 23095), (745, 13361), (2155, 4619)]