81622375

素因数分解:

$5^3\times {\mathrm{349}}^1\times {\mathrm{1871}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 102211200

約数和(自身を除く): 20588825

約数列:

[1, 5, 25, 125, 349, 1745, 1871, 8725, 9355, 43625, 46775, 233875, 652979, 3264895, 16324475, 81622375]

約数ペア:

[(1, 81622375), (5, 16324475), (25, 3264895), (125, 652979), (349, 233875), (1745, 46775), (1871, 43625), (8725, 9355)]