210721347

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{379}}^2$

素因数の和:927

約数の個数: 18

約数和(自身を含む): 307052772

約数和(自身を除く): 96331425

約数列:

[1, 3, 9, 163, 379, 489, 1137, 1467, 3411, 61777, 143641, 185331, 430923, 555993, 1292769, 23413483, 70240449, 210721347]

約数ペア:

[(1, 210721347), (3, 70240449), (9, 23413483), (163, 1292769), (379, 555993), (489, 430923), (1137, 185331), (1467, 143641), (3411, 61777)]