3987621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 6424704

約数和(自身を除く): 2437083

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 857, 1551, 2571, 4653, 7713, 9427, 28281, 40279, 84843, 120837, 362511, 443069, 1329207, 3987621]

約数ペア:

[(1, 3987621), (3, 1329207), (9, 443069), (11, 362511), (33, 120837), (47, 84843), (99, 40279), (141, 28281), (423, 9427), (517, 7713), (857, 4653), (1551, 2571)]