311917743

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{11681}}^1$

素因数の和:11756

約数の個数: 32

約数和(自身を含む): 493447680

約数和(自身を除く): 181529937

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 989, 1161, 2967, 8901, 11681, 26703, 35043, 105129, 268663, 315387, 502283, 805989, 1506849, 2417967, 4520547, 7253901, 11552509, 13561641, 34657527, 103972581, 311917743]

約数ペア:

[(1, 311917743), (3, 103972581), (9, 34657527), (23, 13561641), (27, 11552509), (43, 7253901), (69, 4520547), (129, 2417967), (207, 1506849), (387, 805989), (621, 502283), (989, 315387), (1161, 268663), (2967, 105129), (8901, 35043), (11681, 26703)]