81104023

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81023}}^1$

素因数の和:81054

約数の個数: 16

約数和(自身を含む): 108896256

約数和(自身を除く): 27792233

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 81023, 567161, 891253, 1053299, 6238771, 7373093, 11586289, 81104023]

約数ペア:

[(1, 81104023), (7, 11586289), (11, 7373093), (13, 6238771), (77, 1053299), (91, 891253), (143, 567161), (1001, 81023)]