15390861

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 21130560

約数和(自身を除く): 5739699

約数列:

[1, 3, 43, 129, 229, 521, 687, 1563, 9847, 22403, 29541, 67209, 119309, 357927, 5130287, 15390861]

約数ペア:

[(1, 15390861), (3, 5130287), (43, 357927), (129, 119309), (229, 67209), (521, 29541), (687, 22403), (1563, 9847)]