243143025

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{19889}}^1$

素因数の和:20065

約数の個数: 24

約数和(自身を含む): 404483040

約数和(自身を除く): 161340015

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 4075, 12225, 19889, 59667, 99445, 298335, 497225, 1491675, 3241907, 9725721, 16209535, 48628605, 81047675, 243143025]

約数ペア:

[(1, 243143025), (3, 81047675), (5, 48628605), (15, 16209535), (25, 9725721), (75, 3241907), (163, 1491675), (489, 497225), (815, 298335), (2445, 99445), (4075, 59667), (12225, 19889)]