289360851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1747}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 432273408

約数和(自身を除く): 142912557

約数列:

[1, 3, 13, 31, 39, 93, 137, 403, 411, 1209, 1747, 1781, 4247, 5241, 5343, 12741, 22711, 54157, 55211, 68133, 162471, 165633, 239339, 704041, 718017, 2112123, 3111407, 7419509, 9334221, 22258527, 96453617, 289360851]

約数ペア:

[(1, 289360851), (3, 96453617), (13, 22258527), (31, 9334221), (39, 7419509), (93, 3111407), (137, 2112123), (403, 718017), (411, 704041), (1209, 239339), (1747, 165633), (1781, 162471), (4247, 68133), (5241, 55211), (5343, 54157), (12741, 22711)]