81090451

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 90574848

約数和(自身を除く): 9484397

約数列:

[1, 13, 31, 311, 403, 647, 4043, 8411, 9641, 20057, 125333, 201217, 260741, 2615821, 6237727, 81090451]

約数ペア:

[(1, 81090451), (13, 6237727), (31, 2615821), (311, 260741), (403, 201217), (647, 125333), (4043, 20057), (8411, 9641)]