728045157

素因数分解:

$3^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{18353}}^1$

素因数の和:20252

約数の個数: 16

約数和(自身を含む): 1110049920

約数和(自身を除く): 382004763

約数列:

[1, 3, 7, 21, 1889, 5667, 13223, 18353, 39669, 55059, 128471, 385413, 34668817, 104006451, 242681719, 728045157]

約数ペア:

[(1, 728045157), (3, 242681719), (7, 104006451), (21, 34668817), (1889, 385413), (5667, 128471), (13223, 55059), (18353, 39669)]