71812251

素因数分解:

$3^4\times 7^1\times {\mathrm{126653}}^1$

素因数の和:126672

約数の個数: 20

約数和(自身を含む): 122601072

約数和(自身を除く): 50788821

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 126653, 379959, 886571, 1139877, 2659713, 3419631, 7979139, 10258893, 23937417, 71812251]

約数ペア:

[(1, 71812251), (3, 23937417), (7, 10258893), (9, 7979139), (21, 3419631), (27, 2659713), (63, 1139877), (81, 886571), (189, 379959), (567, 126653)]