51501471

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 80306688

約数和(自身を除く): 28805217

約数列:

[1, 3, 7, 21, 97, 131, 193, 291, 393, 579, 679, 917, 1351, 2037, 2751, 4053, 12707, 18721, 25283, 38121, 56163, 75849, 88949, 131047, 176981, 266847, 393141, 530943, 2452451, 7357353, 17167157, 51501471]

約数ペア:

[(1, 51501471), (3, 17167157), (7, 7357353), (21, 2452451), (97, 530943), (131, 393141), (193, 266847), (291, 176981), (393, 131047), (579, 88949), (679, 75849), (917, 56163), (1351, 38121), (2037, 25283), (2751, 18721), (4053, 12707)]