720403605

素因数分解:

$3^3\times 5^1\times {\mathrm{5336323}}^1$

素因数の和:5336337

約数の個数: 16

約数和(自身を含む): 1280717760

約数和(自身を除く): 560314155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 5336323, 16008969, 26681615, 48026907, 80044845, 144080721, 240134535, 720403605]

約数ペア:

[(1, 720403605), (3, 240134535), (5, 144080721), (9, 80044845), (15, 48026907), (27, 26681615), (45, 16008969), (135, 5336323)]