81608023

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 96180480

約数和(自身を除く): 14572457

約数列:

[1, 7, 43, 137, 301, 959, 1979, 5891, 13853, 41237, 85097, 271123, 595679, 1897861, 11658289, 81608023]

約数ペア:

[(1, 81608023), (7, 11658289), (43, 1897861), (137, 595679), (301, 271123), (959, 85097), (1979, 41237), (5891, 13853)]