290656899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 471138304

約数和(自身を除く): 180481405

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 127, 279, 381, 403, 631, 1143, 1209, 1651, 1893, 3627, 3937, 4953, 5679, 8203, 11811, 14859, 19561, 24609, 35433, 51181, 58683, 73827, 80137, 153543, 176049, 240411, 254293, 460629, 721233, 762879, 1041781, 2288637, 2484247, 3125343, 7452741, 9376029, 22358223, 32295211, 96885633, 290656899]

約数ペア:

[(1, 290656899), (3, 96885633), (9, 32295211), (13, 22358223), (31, 9376029), (39, 7452741), (93, 3125343), (117, 2484247), (127, 2288637), (279, 1041781), (381, 762879), (403, 721233), (631, 460629), (1143, 254293), (1209, 240411), (1651, 176049), (1893, 153543), (3627, 80137), (3937, 73827), (4953, 58683), (5679, 51181), (8203, 35433), (11811, 24609), (14859, 19561)]