157215879

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{4243}}^1$

素因数の和:4451

約数の個数: 24

約数和(自身を含む): 238343040

約数和(自身を除く): 81127161

約数列:

[1, 3, 9, 23, 69, 179, 207, 537, 1611, 4117, 4243, 12351, 12729, 37053, 38187, 97589, 292767, 759497, 878301, 2278491, 6835473, 17468431, 52405293, 157215879]

約数ペア:

[(1, 157215879), (3, 52405293), (9, 17468431), (23, 6835473), (69, 2278491), (179, 878301), (207, 759497), (537, 292767), (1611, 97589), (4117, 38187), (4243, 37053), (12351, 12729)]