90970047

素因数分解:

$3^4\times 7^1\times {\mathrm{160441}}^1$

素因数の和:160460

約数の個数: 20

約数和(自身を含む): 155307856

約数和(自身を除く): 64337809

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 160441, 481323, 1123087, 1443969, 3369261, 4331907, 10107783, 12995721, 30323349, 90970047]

約数ペア:

[(1, 90970047), (3, 30323349), (7, 12995721), (9, 10107783), (21, 4331907), (27, 3369261), (63, 1443969), (81, 1123087), (189, 481323), (567, 160441)]