131661145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1217}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 197842176

約数和(自身を除く): 66181031

約数列:

[1, 5, 7, 11, 35, 55, 77, 281, 385, 1217, 1405, 1967, 3091, 6085, 8519, 9835, 13387, 15455, 21637, 42595, 66935, 93709, 108185, 341977, 468545, 1709885, 2393839, 3761747, 11969195, 18808735, 26332229, 131661145]

約数ペア:

[(1, 131661145), (5, 26332229), (7, 18808735), (11, 11969195), (35, 3761747), (55, 2393839), (77, 1709885), (281, 468545), (385, 341977), (1217, 108185), (1405, 93709), (1967, 66935), (3091, 42595), (6085, 21637), (8519, 15455), (9835, 13387)]