28965225

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2819}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 48255840

約数和(自身を除く): 19290615

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 2819, 3425, 8457, 10275, 14095, 42285, 70475, 211425, 386203, 1158609, 1931015, 5793045, 9655075, 28965225]

約数ペア:

[(1, 28965225), (3, 9655075), (5, 5793045), (15, 1931015), (25, 1158609), (75, 386203), (137, 211425), (411, 70475), (685, 42285), (2055, 14095), (2819, 10275), (3425, 8457)]