81100747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21737}}^1$

素因数の和:21798

約数の個数: 16

約数和(自身を含む): 102255552

約数和(自身を除く): 21154805

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 21737, 152159, 282581, 891217, 1978067, 6238519, 11585821, 81100747]

約数ペア:

[(1, 81100747), (7, 11585821), (13, 6238519), (41, 1978067), (91, 891217), (287, 282581), (533, 152159), (3731, 21737)]