12715731

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3541}}^1$

素因数の和:3576

約数の個数: 32

約数和(自身を含む): 22668800

約数和(自身を除く): 9953069

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3541, 3591, 10623, 24787, 31869, 67279, 74361, 95607, 201837, 223083, 470953, 605511, 669249, 1412859, 1816533, 4238577, 12715731]

約数ペア:

[(1, 12715731), (3, 4238577), (7, 1816533), (9, 1412859), (19, 669249), (21, 605511), (27, 470953), (57, 223083), (63, 201837), (133, 95607), (171, 74361), (189, 67279), (399, 31869), (513, 24787), (1197, 10623), (3541, 3591)]