155961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 256256

約数和(自身を除く): 100295

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 279, 387, 403, 559, 1209, 1333, 1677, 3627, 3999, 5031, 11997, 17329, 51987, 155961]

約数ペア:

[(1, 155961), (3, 51987), (9, 17329), (13, 11997), (31, 5031), (39, 3999), (43, 3627), (93, 1677), (117, 1333), (129, 1209), (279, 559), (387, 403)]