28177227

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26759}}^1$

素因数の和:26784

約数の個数: 20

約数和(自身を含む): 45331440

約数和(自身を除く): 17154213

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26759, 80277, 240831, 347867, 722493, 1043601, 2167479, 3130803, 9392409, 28177227]

約数ペア:

[(1, 28177227), (3, 9392409), (9, 3130803), (13, 2167479), (27, 1043601), (39, 722493), (81, 347867), (117, 240831), (351, 80277), (1053, 26759)]