72485931

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181669}}^1$

素因数の和:181698

約数の個数: 16

約数和(自身を含む): 116268800

約数和(自身を除く): 43782869

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 181669, 545007, 1271683, 3451711, 3815049, 10355133, 24161977, 72485931]

約数ペア:

[(1, 72485931), (3, 24161977), (7, 10355133), (19, 3815049), (21, 3451711), (57, 1271683), (133, 545007), (399, 181669)]