15906681

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1549}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 26436800

約数和(自身を除く): 10530119

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 1549, 3423, 4647, 10269, 10843, 13941, 32529, 97587, 252487, 757461, 1767409, 2272383, 5302227, 15906681]

約数ペア:

[(1, 15906681), (3, 5302227), (7, 2272383), (9, 1767409), (21, 757461), (63, 252487), (163, 97587), (489, 32529), (1141, 13941), (1467, 10843), (1549, 10269), (3423, 4647)]