2208609

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 3523520

約数和(自身を除く): 1314911

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 439, 559, 1317, 1677, 3951, 5031, 5707, 17121, 18877, 51363, 56631, 169893, 245401, 736203, 2208609]

約数ペア:

[(1, 2208609), (3, 736203), (9, 245401), (13, 169893), (39, 56631), (43, 51363), (117, 18877), (129, 17121), (387, 5707), (439, 5031), (559, 3951), (1317, 1677)]