1390474809

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{844247}}^1$

素因数の和:844317

約数の個数: 16

約数和(自身を含む): 2093735040

約数和(自身を除く): 703260231

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 844247, 2532741, 7598223, 22794669, 51499067, 154497201, 463491603, 1390474809]

約数ペア:

[(1, 1390474809), (3, 463491603), (9, 154497201), (27, 51499067), (61, 22794669), (183, 7598223), (549, 2532741), (1647, 844247)]