81231085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{29063}}^1$

素因数の和:29124

約数の個数: 16

約数和(自身を含む): 107420544

約数和(自身を除く): 26189459

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 29063, 145315, 377819, 1249709, 1889095, 6248545, 16246217, 81231085]

約数ペア:

[(1, 81231085), (5, 16246217), (13, 6248545), (43, 1889095), (65, 1249709), (215, 377819), (559, 145315), (2795, 29063)]