31387804587

素因数分解:

$3^3\times {\mathrm{1801}}^1\times {\mathrm{645481}}^1$

素因数の和:647291

約数の個数: 16

約数和(自身を含む): 46526342560

約数和(自身を除く): 15138537973

約数列:

[1, 3, 9, 27, 1801, 5403, 16209, 48627, 645481, 1936443, 5809329, 17427987, 1162511281, 3487533843, 10462601529, 31387804587]

約数ペア:

[(1, 31387804587), (3, 10462601529), (9, 3487533843), (27, 1162511281), (1801, 17427987), (5403, 5809329), (16209, 1936443), (48627, 645481)]