13249251

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8609}}^1$

素因数の和:8640

約数の個数: 20

約数和(自身を含む): 20836200

約数和(自身を除く): 7586949

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8609, 25827, 77481, 163571, 232443, 490713, 697329, 1472139, 4416417, 13249251]

約数ペア:

[(1, 13249251), (3, 4416417), (9, 1472139), (19, 697329), (27, 490713), (57, 232443), (81, 163571), (171, 77481), (513, 25827), (1539, 8609)]