678131199

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{11161}}^1$

素因数の和:11367

約数の個数: 24

約数和(自身を含む): 1008776912

約数和(自身を除く): 330645713

約数列:

[1, 3, 9, 43, 129, 157, 387, 471, 1413, 6751, 11161, 20253, 33483, 60759, 100449, 479923, 1439769, 1752277, 4319307, 5256831, 15770493, 75347911, 226043733, 678131199]

約数ペア:

[(1, 678131199), (3, 226043733), (9, 75347911), (43, 15770493), (129, 5256831), (157, 4319307), (387, 1752277), (471, 1439769), (1413, 479923), (6751, 100449), (11161, 60759), (20253, 33483)]