1021657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 16

約数和(自身を含む): 1281280

約数和(自身を除く): 259623

約数列:

[1, 7, 13, 91, 103, 109, 721, 763, 1339, 1417, 9373, 9919, 11227, 78589, 145951, 1021657]

約数ペア:

[(1, 1021657), (7, 145951), (13, 78589), (91, 11227), (103, 9919), (109, 9373), (721, 1417), (763, 1339)]