821515509

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{11701}}^1$

素因数の和:12005

約数の個数: 24

約数和(自身を含む): 1232220600

約数和(自身を除く): 410705091

約数列:

[1, 3, 9, 29, 87, 261, 269, 807, 2421, 7801, 11701, 23403, 35103, 70209, 105309, 339329, 1017987, 3053961, 3147569, 9442707, 28328121, 91279501, 273838503, 821515509]

約数ペア:

[(1, 821515509), (3, 273838503), (9, 91279501), (29, 28328121), (87, 9442707), (261, 3147569), (269, 3053961), (807, 1017987), (2421, 339329), (7801, 105309), (11701, 70209), (23403, 35103)]