1641627

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1584

約数の個数: 20

約数和(自身を含む): 2642640

約数和(自身を除く): 1001013

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1559, 4677, 14031, 20267, 42093, 60801, 126279, 182403, 547209, 1641627]

約数ペア:

[(1, 1641627), (3, 547209), (9, 182403), (13, 126279), (27, 60801), (39, 42093), (81, 20267), (117, 14031), (351, 4677), (1053, 1559)]