255808215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{437279}}^1$

素因数の和:437303

約数の個数: 24

約数和(自身を含む): 477509760

約数和(自身を除く): 221701545

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 437279, 1311837, 2186395, 3935511, 5684627, 6559185, 17053881, 19677555, 28423135, 51161643, 85269405, 255808215]

約数ペア:

[(1, 255808215), (3, 85269405), (5, 51161643), (9, 28423135), (13, 19677555), (15, 17053881), (39, 6559185), (45, 5684627), (65, 3935511), (117, 2186395), (195, 1311837), (585, 437279)]