663126921

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{2609}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 990213120

約数和(自身を除く): 327086199

約数列:

[1, 3, 9, 31, 93, 279, 911, 2609, 2733, 7827, 8199, 23481, 28241, 80879, 84723, 242637, 254169, 727911, 2376799, 7130397, 21391191, 73680769, 221042307, 663126921]

約数ペア:

[(1, 663126921), (3, 221042307), (9, 73680769), (31, 21391191), (93, 7130397), (279, 2376799), (911, 727911), (2609, 254169), (2733, 242637), (7827, 84723), (8199, 80879), (23481, 28241)]