40764321

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{26801}}^1$

素因数の和:26833

約数の個数: 18

約数和(自身を含む): 63761958

約数和(自身を除く): 22997637

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 26801, 80403, 241209, 348413, 1045239, 3135717, 4529369, 13588107, 40764321]

約数ペア:

[(1, 40764321), (3, 13588107), (9, 4529369), (13, 3135717), (39, 1045239), (117, 348413), (169, 241209), (507, 80403), (1521, 26801)]