1720229121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{26879}}^1$

素因数の和:27445

約数の個数: 24

約数和(自身を含む): 2680903680

約数和(自身を除く): 960674559

約数列:

[1, 3, 9, 13, 39, 117, 547, 1641, 4923, 7111, 21333, 26879, 63999, 80637, 241911, 349427, 1048281, 3144843, 14702813, 44108439, 132325317, 191136569, 573409707, 1720229121]

約数ペア:

[(1, 1720229121), (3, 573409707), (9, 191136569), (13, 132325317), (39, 44108439), (117, 14702813), (547, 3144843), (1641, 1048281), (4923, 349427), (7111, 241911), (21333, 80637), (26879, 63999)]