7139907

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 10746736

約数和(自身を除く): 3606829

約数列:

[1, 3, 9, 27, 81, 181, 487, 543, 1461, 1629, 4383, 4887, 13149, 14661, 39447, 88147, 264441, 793323, 2379969, 7139907]

約数ペア:

[(1, 7139907), (3, 2379969), (9, 793323), (27, 264441), (81, 88147), (181, 39447), (487, 14661), (543, 13149), (1461, 4887), (1629, 4383)]