56020815

素因数分解:

$3^4\times 5^1\times {\mathrm{138323}}^1$

素因数の和:138340

約数の個数: 20

約数和(自身を含む): 100423224

約数和(自身を除く): 44402409

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 138323, 414969, 691615, 1244907, 2074845, 3734721, 6224535, 11204163, 18673605, 56020815]

約数ペア:

[(1, 56020815), (3, 18673605), (5, 11204163), (9, 6224535), (15, 3734721), (27, 2074845), (45, 1244907), (81, 691615), (135, 414969), (405, 138323)]