81916209

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 120836352

約数和(自身を除く): 38920143

約数列:

[1, 3, 9, 97, 103, 291, 309, 873, 911, 927, 2733, 8199, 9991, 29973, 88367, 89919, 93833, 265101, 281499, 795303, 844497, 9101801, 27305403, 81916209]

約数ペア:

[(1, 81916209), (3, 27305403), (9, 9101801), (97, 844497), (103, 795303), (291, 281499), (309, 265101), (873, 93833), (911, 89919), (927, 88367), (2733, 29973), (8199, 9991)]