720283509

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{808399}}^1$

素因数の和:808422

約数の個数: 20

約数和(自身を含む): 1173796800

約数和(自身を除く): 453513291

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 808399, 2425197, 7275591, 8892389, 21826773, 26677167, 65480319, 80031501, 240094503, 720283509]

約数ペア:

[(1, 720283509), (3, 240094503), (9, 80031501), (11, 65480319), (27, 26677167), (33, 21826773), (81, 8892389), (99, 7275591), (297, 2425197), (891, 808399)]