278343

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:96

約数の個数: 24

約数和(自身を含む): 453840

約数和(自身を除く): 175497

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 169, 183, 351, 507, 549, 793, 1521, 1647, 2379, 4563, 7137, 10309, 21411, 30927, 92781, 278343]

約数ペア:

[(1, 278343), (3, 92781), (9, 30927), (13, 21411), (27, 10309), (39, 7137), (61, 4563), (117, 2379), (169, 1647), (183, 1521), (351, 793), (507, 549)]