81343801

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 106069824

約数和(自身を除く): 24726023

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 1771, 1997, 3703, 5819, 13979, 21967, 40733, 45931, 153769, 321517, 505241, 1056413, 3536687, 7394891, 11620543, 81343801]

約数ペア:

[(1, 81343801), (7, 11620543), (11, 7394891), (23, 3536687), (77, 1056413), (161, 505241), (253, 321517), (529, 153769), (1771, 45931), (1997, 40733), (3703, 21967), (5819, 13979)]