13231017

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 20167680

約数和(自身を除く): 6936663

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1009, 1457, 3027, 4371, 9081, 13113, 31279, 47423, 93837, 142269, 281511, 426807, 1470113, 4410339, 13231017]

約数ペア:

[(1, 13231017), (3, 4410339), (9, 1470113), (31, 426807), (47, 281511), (93, 142269), (141, 93837), (279, 47423), (423, 31279), (1009, 13113), (1457, 9081), (3027, 4371)]