56668005

素因数分解:

$3^4\times 5^1\times {\mathrm{139921}}^1$

素因数の和:139938

約数の個数: 20

約数和(自身を含む): 101583372

約数和(自身を除く): 44915367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 139921, 419763, 699605, 1259289, 2098815, 3777867, 6296445, 11333601, 18889335, 56668005]

約数ペア:

[(1, 56668005), (3, 18889335), (5, 11333601), (9, 6296445), (15, 3777867), (27, 2098815), (45, 1259289), (81, 699605), (135, 419763), (405, 139921)]