209914755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{2659}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 354950400

約数和(自身を除く): 145035645

約数列:

[1, 3, 5, 15, 19, 57, 95, 277, 285, 831, 1385, 2659, 4155, 5263, 7977, 13295, 15789, 26315, 39885, 50521, 78945, 151563, 252605, 736543, 757815, 2209629, 3682715, 11048145, 13994317, 41982951, 69971585, 209914755]

約数ペア:

[(1, 209914755), (3, 69971585), (5, 41982951), (15, 13994317), (19, 11048145), (57, 3682715), (95, 2209629), (277, 757815), (285, 736543), (831, 252605), (1385, 151563), (2659, 78945), (4155, 50521), (5263, 39885), (7977, 26315), (13295, 15789)]