81712605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2341}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 141644160

約数和(自身を除く): 59931555

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 895, 2327, 2341, 2685, 6981, 7023, 11635, 11705, 30433, 34905, 35115, 91299, 152165, 419039, 456495, 1257117, 2095195, 5447507, 6285585, 16342521, 27237535, 81712605]

約数ペア:

[(1, 81712605), (3, 27237535), (5, 16342521), (13, 6285585), (15, 5447507), (39, 2095195), (65, 1257117), (179, 456495), (195, 419039), (537, 152165), (895, 91299), (2327, 35115), (2341, 34905), (2685, 30433), (6981, 11705), (7023, 11635)]