81678021

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{4721}}^1$

素因数の和:4876

約数の個数: 16

約数和(自身を含む): 111816960

約数和(自身を除く): 30138939

約数列:

[1, 3, 73, 79, 219, 237, 4721, 5767, 14163, 17301, 344633, 372959, 1033899, 1118877, 27226007, 81678021]

約数ペア:

[(1, 81678021), (3, 27226007), (73, 1118877), (79, 1033899), (219, 372959), (237, 344633), (4721, 17301), (5767, 14163)]