68439891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{21143}}^1$

素因数の和:21242

約数の個数: 16

約数和(自身を含む): 99461376

約数和(自身を除く): 31021485

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 21143, 63429, 274859, 824577, 1754869, 5264607, 22813297, 68439891]

約数ペア:

[(1, 68439891), (3, 22813297), (13, 5264607), (39, 1754869), (83, 824577), (249, 274859), (1079, 63429), (3237, 21143)]