13407429

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 20939520

約数和(自身を除く): 7532091

約数列:

[1, 3, 7, 21, 49, 147, 223, 409, 669, 1227, 1561, 2863, 4683, 8589, 10927, 20041, 32781, 60123, 91207, 273621, 638449, 1915347, 4469143, 13407429]

約数ペア:

[(1, 13407429), (3, 4469143), (7, 1915347), (21, 638449), (49, 273621), (147, 91207), (223, 60123), (409, 32781), (669, 20041), (1227, 10927), (1561, 8589), (2863, 4683)]