2981421

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{4801}}^1$

素因数の和:4833

約数の個数: 16

約数和(自身を含む): 4609920

約数和(自身を除く): 1628499

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 4801, 14403, 43209, 110423, 129627, 331269, 993807, 2981421]

約数ペア:

[(1, 2981421), (3, 993807), (9, 331269), (23, 129627), (27, 110423), (69, 43209), (207, 14403), (621, 4801)]