7406721

素因数分解:

$3^4\times 7^1\times {\mathrm{13063}}^1$

素因数の和:13082

約数の個数: 20

約数和(自身を含む): 12645952

約数和(自身を除く): 5239231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13063, 39189, 91441, 117567, 274323, 352701, 822969, 1058103, 2468907, 7406721]

約数ペア:

[(1, 7406721), (3, 2468907), (7, 1058103), (9, 822969), (21, 352701), (27, 274323), (63, 117567), (81, 91441), (189, 39189), (567, 13063)]