2647725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 4484832

約数和(自身を除く): 1837107

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 821, 1075, 2463, 3225, 4105, 12315, 20525, 35303, 61575, 105909, 176515, 529545, 882575, 2647725]

約数ペア:

[(1, 2647725), (3, 882575), (5, 529545), (15, 176515), (25, 105909), (43, 61575), (75, 35303), (129, 20525), (215, 12315), (645, 4105), (821, 3225), (1075, 2463)]