81337809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5557}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 134459136

約数和(自身を除く): 53121327

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 5557, 14637, 16671, 38899, 94469, 116697, 227837, 283407, 661283, 683511, 1594859, 1983849, 3873229, 4784577, 11619687, 27112603, 81337809]

約数ペア:

[(1, 81337809), (3, 27112603), (7, 11619687), (17, 4784577), (21, 3873229), (41, 1983849), (51, 1594859), (119, 683511), (123, 661283), (287, 283407), (357, 227837), (697, 116697), (861, 94469), (2091, 38899), (4879, 16671), (5557, 14637)]