40581009

素因数分解:

$3^2\times 7^1\times {\mathrm{644143}}^1$

素因数の和:644156

約数の個数: 12

約数和(自身を含む): 66990976

約数和(自身を除く): 26409967

約数列:

[1, 3, 7, 9, 21, 63, 644143, 1932429, 4509001, 5797287, 13527003, 40581009]

約数ペア:

[(1, 40581009), (3, 13527003), (7, 5797287), (9, 4509001), (21, 1932429), (63, 644143)]