40487781

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 54817280

約数和(自身を除く): 14329499

約数列:

[1, 3, 139, 151, 417, 453, 643, 1929, 20989, 62967, 89377, 97093, 268131, 291279, 13495927, 40487781]

約数ペア:

[(1, 40487781), (3, 13495927), (139, 291279), (151, 268131), (417, 97093), (453, 89377), (643, 62967), (1929, 20989)]