142779791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80621}}^1$

素因数の和:80662

約数の個数: 16

約数和(自身を含む): 185753088

約数和(自身を除く): 42973297

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 80621, 564347, 886831, 1854283, 6207817, 12979981, 20397113, 142779791]

約数ペア:

[(1, 142779791), (7, 20397113), (11, 12979981), (23, 6207817), (77, 1854283), (161, 886831), (253, 564347), (1771, 80621)]