6551847

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 20

約数和(自身を含む): 10001376

約数和(自身を除く): 3449529

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 1721, 3807, 5163, 15489, 46467, 80887, 139401, 242661, 727983, 2183949, 6551847]

約数ペア:

[(1, 6551847), (3, 2183949), (9, 727983), (27, 242661), (47, 139401), (81, 80887), (141, 46467), (423, 15489), (1269, 5163), (1721, 3807)]