31857867

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{727}}^1$

素因数の和:1280

約数の個数: 20

約数和(自身を含む): 47743696

約数和(自身を除く): 15885829

約数列:

[1, 3, 9, 27, 81, 541, 727, 1623, 2181, 4869, 6543, 14607, 19629, 43821, 58887, 393307, 1179921, 3539763, 10619289, 31857867]

約数ペア:

[(1, 31857867), (3, 10619289), (9, 3539763), (27, 1179921), (81, 393307), (541, 58887), (727, 43821), (1623, 19629), (2181, 14607), (4869, 6543)]