3278821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 4080384

約数和(自身を除く): 801563

約数列:

[1, 7, 13, 91, 137, 263, 959, 1781, 1841, 3419, 12467, 23933, 36031, 252217, 468403, 3278821]

約数ペア:

[(1, 3278821), (7, 468403), (13, 252217), (91, 36031), (137, 23933), (263, 12467), (959, 3419), (1781, 1841)]