156864681

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 243936000

約数和(自身を除く): 87071319

約数列:

[1, 3, 9, 27, 31, 81, 93, 179, 279, 349, 537, 837, 1047, 1611, 2511, 3141, 4833, 5549, 9423, 10819, 14499, 16647, 28269, 32457, 49941, 62471, 97371, 149823, 187413, 292113, 449469, 562239, 876339, 1686717, 1936601, 5060151, 5809803, 17429409, 52288227, 156864681]

約数ペア:

[(1, 156864681), (3, 52288227), (9, 17429409), (27, 5809803), (31, 5060151), (81, 1936601), (93, 1686717), (179, 876339), (279, 562239), (349, 449469), (537, 292113), (837, 187413), (1047, 149823), (1611, 97371), (2511, 62471), (3141, 49941), (4833, 32457), (5549, 28269), (9423, 16647), (10819, 14499)]