64408209

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 87056640

約数和(自身を除く): 22648431

約数列:

[1, 3, 109, 327, 431, 457, 1293, 1371, 46979, 49813, 140937, 149439, 196967, 590901, 21469403, 64408209]

約数ペア:

[(1, 64408209), (3, 21469403), (109, 590901), (327, 196967), (431, 149439), (457, 140937), (1293, 49813), (1371, 46979)]