51988797

素因数分解:

$3^4\times 7^1\times {\mathrm{91691}}^1$

素因数の和:91710

約数の個数: 20

約数和(自身を含む): 88757856

約数和(自身を除く): 36769059

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 91691, 275073, 641837, 825219, 1925511, 2475657, 5776533, 7426971, 17329599, 51988797]

約数ペア:

[(1, 51988797), (3, 17329599), (7, 7426971), (9, 5776533), (21, 2475657), (27, 1925511), (63, 825219), (81, 641837), (189, 275073), (567, 91691)]