131570217

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{20389}}^1$

素因数の和:20637

約数の個数: 16

約数和(自身を含む): 195744000

約数和(自身を除く): 64173783

約数列:

[1, 3, 9, 27, 239, 717, 2151, 6453, 20389, 61167, 183501, 550503, 4872971, 14618913, 43856739, 131570217]

約数ペア:

[(1, 131570217), (3, 43856739), (9, 14618913), (27, 4872971), (239, 550503), (717, 183501), (2151, 61167), (6453, 20389)]