20172525

素因数分解:

$3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 33506784

約数和(自身を除く): 13334259

約数列:

[1, 3, 5, 15, 25, 75, 277, 831, 971, 1385, 2913, 4155, 4855, 6925, 14565, 20775, 24275, 72825, 268967, 806901, 1344835, 4034505, 6724175, 20172525]

約数ペア:

[(1, 20172525), (3, 6724175), (5, 4034505), (15, 1344835), (25, 806901), (75, 268967), (277, 72825), (831, 24275), (971, 20775), (1385, 14565), (2913, 6925), (4155, 4855)]