2015990571

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{3797}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 3112293888

約数和(自身を除く): 1096303317

約数列:

[1, 3, 7, 21, 131, 193, 393, 579, 917, 1351, 2751, 3797, 4053, 11391, 25283, 26579, 75849, 79737, 176981, 497407, 530943, 732821, 1492221, 2198463, 3481849, 5129747, 10445547, 15389241, 95999551, 287998653, 671996857, 2015990571]

約数ペア:

[(1, 2015990571), (3, 671996857), (7, 287998653), (21, 95999551), (131, 15389241), (193, 10445547), (393, 5129747), (579, 3481849), (917, 2198463), (1351, 1492221), (2751, 732821), (3797, 530943), (4053, 497407), (11391, 176981), (25283, 79737), (26579, 75849)]