85817313

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{4751}}^1$

素因数の和:4986

約数の個数: 20

約数和(自身を含む): 128798208

約数和(自身を除く): 42980895

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 4751, 6021, 14253, 18063, 42759, 128277, 384831, 1059473, 3178419, 9535257, 28605771, 85817313]

約数ペア:

[(1, 85817313), (3, 28605771), (9, 9535257), (27, 3178419), (81, 1059473), (223, 384831), (669, 128277), (2007, 42759), (4751, 18063), (6021, 14253)]