156964221

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{125471}}^1$

素因数の和:125616

約数の個数: 12

約数和(自身を含む): 228359040

約数和(自身を除く): 71394819

約数列:

[1, 3, 9, 139, 417, 1251, 125471, 376413, 1129239, 17440469, 52321407, 156964221]

約数ペア:

[(1, 156964221), (3, 52321407), (9, 17440469), (139, 1129239), (417, 376413), (1251, 125471)]