2102825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 18

約数和(自身を含む): 2763774

約数和(自身を除く): 660949

約数列:

[1, 5, 19, 25, 95, 233, 361, 475, 1165, 1805, 4427, 5825, 9025, 22135, 84113, 110675, 420565, 2102825]

約数ペア:

[(1, 2102825), (5, 420565), (19, 110675), (25, 84113), (95, 22135), (233, 9025), (361, 5825), (475, 4427), (1165, 1805)]