13621563

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21317}}^1$

素因数の和:21394

約数の個数: 12

約数和(自身を含む): 19953648

約数和(自身を除く): 6332085

約数列:

[1, 3, 9, 71, 213, 639, 21317, 63951, 191853, 1513507, 4540521, 13621563]

約数ペア:

[(1, 13621563), (3, 4540521), (9, 1513507), (71, 191853), (213, 63951), (639, 21317)]