131280558

素因数分解:

$2^1\times 3^1\times {\mathrm{331}}^1\times {\mathrm{66103}}^1$

素因数の和:66439

約数の個数: 16

約数和(自身を含む): 263358336

約数和(自身を除く): 132077778

約数列:

[1, 2, 3, 6, 331, 662, 993, 1986, 66103, 132206, 198309, 396618, 21880093, 43760186, 65640279, 131280558]

約数ペア:

[(1, 131280558), (2, 65640279), (3, 43760186), (6, 21880093), (331, 396618), (662, 198309), (993, 132206), (1986, 66103)]