30781995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{108007}}^1$

素因数の和:108034

約数の個数: 16

約数和(自身を含む): 51843840

約数和(自身を除く): 21061845

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 108007, 324021, 540035, 1620105, 2052133, 6156399, 10260665, 30781995]

約数ペア:

[(1, 30781995), (3, 10260665), (5, 6156399), (15, 2052133), (19, 1620105), (57, 540035), (95, 324021), (285, 108007)]