31559151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 47803392

約数和(自身を除く): 16244241

約数列:

[1, 3, 13, 23, 39, 69, 151, 233, 299, 453, 699, 897, 1963, 3029, 3473, 5359, 5889, 9087, 10419, 16077, 35183, 45149, 69667, 105549, 135447, 209001, 457379, 809209, 1372137, 2427627, 10519717, 31559151]

約数ペア:

[(1, 31559151), (3, 10519717), (13, 2427627), (23, 1372137), (39, 809209), (69, 457379), (151, 209001), (233, 135447), (299, 105549), (453, 69667), (699, 45149), (897, 35183), (1963, 16077), (3029, 10419), (3473, 9087), (5359, 5889)]