31793463

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20903}}^1$

素因数の和:20935

約数の個数: 18

約数和(自身を含む): 49730616

約数和(自身を除く): 17937153

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20903, 62709, 188127, 271739, 815217, 2445651, 3532607, 10597821, 31793463]

約数ペア:

[(1, 31793463), (3, 10597821), (9, 3532607), (13, 2445651), (39, 815217), (117, 271739), (169, 188127), (507, 62709), (1521, 20903)]