206520909

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{14029}}^1$

素因数の和:14740

約数の個数: 16

約数和(自身を含む): 315169920

約数和(自身を除く): 108649011

約数列:

[1, 3, 7, 21, 701, 2103, 4907, 14029, 14721, 42087, 98203, 294609, 9834329, 29502987, 68840303, 206520909]

約数ペア:

[(1, 206520909), (3, 68840303), (7, 29502987), (21, 9834329), (701, 294609), (2103, 98203), (4907, 42087), (14029, 14721)]