81104025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{63611}}^1$

素因数の和:63641

約数の個数: 24

約数和(自身を含む): 141981984

約数和(自身を除く): 60877959

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 63611, 190833, 318055, 954165, 1081387, 1590275, 3244161, 4770825, 5406935, 16220805, 27034675, 81104025]

約数ペア:

[(1, 81104025), (3, 27034675), (5, 16220805), (15, 5406935), (17, 4770825), (25, 3244161), (51, 1590275), (75, 1081387), (85, 954165), (255, 318055), (425, 190833), (1275, 63611)]