12961125

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 24019632

約数和(自身を除く): 11058507

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 205, 225, 281, 369, 375, 615, 843, 1025, 1125, 1405, 1845, 2529, 3075, 4215, 5125, 7025, 9225, 11521, 12645, 15375, 21075, 34563, 35125, 46125, 57605, 63225, 103689, 105375, 172815, 288025, 316125, 518445, 864075, 1440125, 2592225, 4320375, 12961125]

約数ペア:

[(1, 12961125), (3, 4320375), (5, 2592225), (9, 1440125), (15, 864075), (25, 518445), (41, 316125), (45, 288025), (75, 172815), (123, 105375), (125, 103689), (205, 63225), (225, 57605), (281, 46125), (369, 35125), (375, 34563), (615, 21075), (843, 15375), (1025, 12645), (1125, 11521), (1405, 9225), (1845, 7025), (2529, 5125), (3075, 4215)]