257842845

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48973}}^1$

素因数の和:49003

約数の個数: 40

約数和(自身を含む): 497771736

約数和(自身を除く): 239928891

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 48973, 146919, 244865, 440757, 636649, 734595, 1322271, 1909947, 2203785, 3183245, 3966813, 5729841, 6611355, 9549735, 17189523, 19834065, 28649205, 51568569, 85947615, 257842845]

約数ペア:

[(1, 257842845), (3, 85947615), (5, 51568569), (9, 28649205), (13, 19834065), (15, 17189523), (27, 9549735), (39, 6611355), (45, 5729841), (65, 3966813), (81, 3183245), (117, 2203785), (135, 1909947), (195, 1322271), (351, 734595), (405, 636649), (585, 440757), (1053, 244865), (1755, 146919), (5265, 48973)]