16988025

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2729}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 28435680

約数和(自身を除く): 11447655

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 2729, 6225, 8187, 13645, 40935, 68225, 204675, 226507, 679521, 1132535, 3397605, 5662675, 16988025]

約数ペア:

[(1, 16988025), (3, 5662675), (5, 3397605), (15, 1132535), (25, 679521), (75, 226507), (83, 204675), (249, 68225), (415, 40935), (1245, 13645), (2075, 8187), (2729, 6225)]