87877881

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 158878720

約数和(自身を除く): 71000839

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 1759, 2379, 3843, 5277, 5551, 7137, 12313, 15831, 16653, 22867, 36939, 49959, 68601, 107299, 110817, 160069, 205803, 321897, 480207, 751093, 965691, 1394887, 1440621, 2253279, 4184661, 6759837, 9764209, 12553983, 29292627, 87877881]

約数ペア:

[(1, 87877881), (3, 29292627), (7, 12553983), (9, 9764209), (13, 6759837), (21, 4184661), (39, 2253279), (61, 1440621), (63, 1394887), (91, 965691), (117, 751093), (183, 480207), (273, 321897), (427, 205803), (549, 160069), (793, 110817), (819, 107299), (1281, 68601), (1759, 49959), (2379, 36939), (3843, 22867), (5277, 16653), (5551, 15831), (7137, 12313)]