81028857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1013}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 133555968

約数和(自身を除く): 52527111

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 293, 879, 1013, 2051, 3039, 3809, 6153, 7091, 11427, 13169, 21273, 26663, 39507, 79989, 92183, 276549, 296809, 890427, 2077663, 3858517, 6232989, 11575551, 27009619, 81028857]

約数ペア:

[(1, 81028857), (3, 27009619), (7, 11575551), (13, 6232989), (21, 3858517), (39, 2077663), (91, 890427), (273, 296809), (293, 276549), (879, 92183), (1013, 79989), (2051, 39507), (3039, 26663), (3809, 21273), (6153, 13169), (7091, 11427)]