1243289745

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{642527}}^1$

素因数の和:642581

約数の個数: 24

約数和(自身を含む): 2205156096

約数和(自身を除く): 961866351

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 642527, 1927581, 3212635, 5782743, 9637905, 27628661, 28913715, 82885983, 138143305, 248657949, 414429915, 1243289745]

約数ペア:

[(1, 1243289745), (3, 414429915), (5, 248657949), (9, 138143305), (15, 82885983), (43, 28913715), (45, 27628661), (129, 9637905), (215, 5782743), (387, 3212635), (645, 1927581), (1935, 642527)]