3989025

素因数分解:

$3^2\times 5^2\times {\mathrm{17729}}^1$

素因数の和:17745

約数の個数: 18

約数和(自身を含む): 7145190

約数和(自身を除く): 3156165

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 17729, 53187, 88645, 159561, 265935, 443225, 797805, 1329675, 3989025]

約数ペア:

[(1, 3989025), (3, 1329675), (5, 797805), (9, 443225), (15, 265935), (25, 159561), (45, 88645), (75, 53187), (225, 17729)]