81077555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40237}}^1$

素因数の和:40286

約数の個数: 16

約数和(自身を含む): 108159744

約数和(自身を除く): 27082189

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 40237, 201185, 523081, 1247347, 2615405, 6236735, 16215511, 81077555]

約数ペア:

[(1, 81077555), (5, 16215511), (13, 6236735), (31, 2615405), (65, 1247347), (155, 523081), (403, 201185), (2015, 40237)]