490401

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 16

約数和(自身を含む): 745920

約数和(自身を除く): 255519

約数列:

[1, 3, 9, 27, 41, 123, 369, 443, 1107, 1329, 3987, 11961, 18163, 54489, 163467, 490401]

約数ペア:

[(1, 490401), (3, 163467), (9, 54489), (27, 18163), (41, 11961), (123, 3987), (369, 1329), (443, 1107)]