1311318

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:548

約数の個数: 24

約数和(自身を含む): 2862288

約数和(自身を除く): 1550970

約数列:

[1, 2, 3, 6, 9, 18, 263, 277, 526, 554, 789, 831, 1578, 1662, 2367, 2493, 4734, 4986, 72851, 145702, 218553, 437106, 655659, 1311318]

約数ペア:

[(1, 1311318), (2, 655659), (3, 437106), (6, 218553), (9, 145702), (18, 72851), (263, 4986), (277, 4734), (526, 2493), (554, 2367), (789, 1662), (831, 1578)]