81742297

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6857}}^1$

素因数の和:7008

約数の個数: 16

約数和(自身を含む): 101388672

約数和(自身を除く): 19646375

約数列:

[1, 7, 13, 91, 131, 917, 1703, 6857, 11921, 47999, 89141, 623987, 898267, 6287869, 11677471, 81742297]

約数ペア:

[(1, 81742297), (7, 11677471), (13, 6287869), (91, 898267), (131, 623987), (917, 89141), (1703, 47999), (6857, 11921)]