56659905

素因数分解:

$3^4\times 5^1\times {\mathrm{139901}}^1$

素因数の和:139918

約数の個数: 20

約数和(自身を含む): 101568852

約数和(自身を除く): 44908947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 139901, 419703, 699505, 1259109, 2098515, 3777327, 6295545, 11331981, 18886635, 56659905]

約数ペア:

[(1, 56659905), (3, 18886635), (5, 11331981), (9, 6295545), (15, 3777327), (27, 2098515), (45, 1259109), (81, 699505), (135, 419703), (405, 139901)]