208994019

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 310390080

約数和(自身を除く): 101396061

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 857, 1443, 2197, 2571, 6253, 6591, 11141, 18759, 31709, 33423, 81289, 95127, 144833, 243867, 412217, 434499, 1236651, 1882829, 5358821, 5648487, 16076463, 69664673, 208994019]

約数ペア:

[(1, 208994019), (3, 69664673), (13, 16076463), (37, 5648487), (39, 5358821), (111, 1882829), (169, 1236651), (481, 434499), (507, 412217), (857, 243867), (1443, 144833), (2197, 95127), (2571, 81289), (6253, 33423), (6591, 31709), (11141, 18759)]