42639561

素因数分解:

$3^3\times {\mathrm{739}}^1\times {\mathrm{2137}}^1$

素因数の和:2885

約数の個数: 16

約数和(自身を含む): 63284800

約数和(自身を除く): 20645239

約数列:

[1, 3, 9, 27, 739, 2137, 2217, 6411, 6651, 19233, 19953, 57699, 1579243, 4737729, 14213187, 42639561]

約数ペア:

[(1, 42639561), (3, 14213187), (9, 4737729), (27, 1579243), (739, 57699), (2137, 19953), (2217, 19233), (6411, 6651)]