15128905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6456

約数の個数: 16

約数和(自身を含む): 20268864

約数和(自身を除く): 5139959

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 6397, 31985, 70367, 275071, 351835, 1375355, 3025781, 15128905]

約数ペア:

[(1, 15128905), (5, 3025781), (11, 1375355), (43, 351835), (55, 275071), (215, 70367), (473, 31985), (2365, 6397)]