15863931

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1560

約数の個数: 20

約数和(自身を含む): 23885400

約数和(自身を除く): 8021469

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1409, 3753, 4227, 11259, 12681, 38043, 114129, 195851, 587553, 1762659, 5287977, 15863931]

約数ペア:

[(1, 15863931), (3, 5287977), (9, 1762659), (27, 587553), (81, 195851), (139, 114129), (417, 38043), (1251, 12681), (1409, 11259), (3753, 4227)]