1638657

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 16

約数和(自身を含む): 2450880

約数和(自身を除く): 812223

約数列:

[1, 3, 9, 27, 137, 411, 443, 1233, 1329, 3699, 3987, 11961, 60691, 182073, 546219, 1638657]

約数ペア:

[(1, 1638657), (3, 546219), (9, 182073), (27, 60691), (137, 11961), (411, 3987), (443, 3699), (1233, 1329)]