81915765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{839}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 137410560

約数和(自身を除く): 55494795

約数列:

[1, 3, 5, 15, 23, 69, 115, 283, 345, 839, 849, 1415, 2517, 4195, 4245, 6509, 12585, 19297, 19527, 32545, 57891, 96485, 97635, 237437, 289455, 712311, 1187185, 3561555, 5461051, 16383153, 27305255, 81915765]

約数ペア:

[(1, 81915765), (3, 27305255), (5, 16383153), (15, 5461051), (23, 3561555), (69, 1187185), (115, 712311), (283, 289455), (345, 237437), (839, 97635), (849, 96485), (1415, 57891), (2517, 32545), (4195, 19527), (4245, 19297), (6509, 12585)]