13397643

素因数分解:

$3^4\times 7^1\times {\mathrm{23629}}^1$

素因数の和:23648

約数の個数: 20

約数和(自身を含む): 22873840

約数和(自身を除く): 9476197

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23629, 70887, 165403, 212661, 496209, 637983, 1488627, 1913949, 4465881, 13397643]

約数ペア:

[(1, 13397643), (3, 4465881), (7, 1913949), (9, 1488627), (21, 637983), (27, 496209), (63, 212661), (81, 165403), (189, 70887), (567, 23629)]