68894721

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6709}}^1$

素因数の和:6885

約数の個数: 24

約数和(自身を含む): 114445760

約数和(自身を除く): 45551039

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 6709, 10269, 20127, 46963, 60381, 140889, 422667, 1093567, 3280701, 7654969, 9842103, 22964907, 68894721]

約数ペア:

[(1, 68894721), (3, 22964907), (7, 9842103), (9, 7654969), (21, 3280701), (63, 1093567), (163, 422667), (489, 140889), (1141, 60381), (1467, 46963), (3423, 20127), (6709, 10269)]