920619

素因数分解:

$3^3\times 7^1\times {\mathrm{4871}}^1$

素因数の和:4887

約数の個数: 16

約数和(自身を含む): 1559040

約数和(自身を除く): 638421

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4871, 14613, 34097, 43839, 102291, 131517, 306873, 920619]

約数ペア:

[(1, 920619), (3, 306873), (7, 131517), (9, 102291), (21, 43839), (27, 34097), (63, 14613), (189, 4871)]