7820025

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 13046784

約数和(自身を除く): 5226759

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 821, 1905, 2463, 3175, 4105, 9525, 12315, 20525, 61575, 104267, 312801, 521335, 1564005, 2606675, 7820025]

約数ペア:

[(1, 7820025), (3, 2606675), (5, 1564005), (15, 521335), (25, 312801), (75, 104267), (127, 61575), (381, 20525), (635, 12315), (821, 9525), (1905, 4105), (2463, 3175)]