71539605

素因数分解:

$3^4\times 5^1\times {\mathrm{176641}}^1$

素因数の和:176658

約数の個数: 20

約数和(自身を含む): 128242092

約数和(自身を除く): 56702487

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 176641, 529923, 883205, 1589769, 2649615, 4769307, 7948845, 14307921, 23846535, 71539605]

約数ペア:

[(1, 71539605), (3, 23846535), (5, 14307921), (9, 7948845), (15, 4769307), (27, 2649615), (45, 1589769), (81, 883205), (135, 529923), (405, 176641)]