291297357

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{63839}}^1$

素因数の和:63874

約数の個数: 24

約数和(自身を含む): 467308800

約数和(自身を除く): 176011443

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 63839, 191517, 574551, 829907, 1723653, 2489721, 7469163, 10788791, 22407489, 32366373, 97099119, 291297357]

約数ペア:

[(1, 291297357), (3, 97099119), (9, 32366373), (13, 22407489), (27, 10788791), (39, 7469163), (117, 2489721), (169, 1723653), (351, 829907), (507, 574551), (1521, 191517), (4563, 63839)]