128564499

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{44687}}^1$

素因数の和:44834

約数の個数: 16

約数和(自身を含む): 197342208

約数和(自身を除く): 68777709

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 44687, 134061, 312809, 938427, 6122119, 18366357, 42854833, 128564499]

約数ペア:

[(1, 128564499), (3, 42854833), (7, 18366357), (21, 6122119), (137, 938427), (411, 312809), (959, 134061), (2877, 44687)]