28638207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 44871008

約数和(自身を除く): 16232801

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1621, 1963, 4863, 5889, 14589, 17667, 21073, 63219, 189657, 244771, 734313, 2202939, 3182023, 9546069, 28638207]

約数ペア:

[(1, 28638207), (3, 9546069), (9, 3182023), (13, 2202939), (39, 734313), (117, 244771), (151, 189657), (453, 63219), (1359, 21073), (1621, 17667), (1963, 14589), (4863, 5889)]