80928351

素因数分解:

$3^2\times 7^2\times {\mathrm{183511}}^1$

素因数の和:183531

約数の個数: 18

約数和(自身を含む): 135982392

約数和(自身を除く): 55054041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 183511, 550533, 1284577, 1651599, 3853731, 8992039, 11561193, 26976117, 80928351]

約数ペア:

[(1, 80928351), (3, 26976117), (7, 11561193), (9, 8992039), (21, 3853731), (49, 1651599), (63, 1284577), (147, 550533), (441, 183511)]