1288395549

素因数分解:

$3^2\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{18541}}^1$

素因数の和:19657

約数の個数: 24

約数和(自身を含む): 2128918272

約数和(自身を除く): 840522723

約数列:

[1, 3, 7, 9, 21, 63, 1103, 3309, 7721, 9927, 18541, 23163, 55623, 69489, 129787, 166869, 389361, 1168083, 20450723, 61352169, 143155061, 184056507, 429465183, 1288395549]

約数ペア:

[(1, 1288395549), (3, 429465183), (7, 184056507), (9, 143155061), (21, 61352169), (63, 20450723), (1103, 1168083), (3309, 389361), (7721, 166869), (9927, 129787), (18541, 69489), (23163, 55623)]