28290135

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 47351808

約数和(自身を除く): 19061673

約数列:

[1, 3, 5, 15, 31, 83, 93, 155, 249, 415, 465, 733, 1245, 2199, 2573, 3665, 7719, 10995, 12865, 22723, 38595, 60839, 68169, 113615, 182517, 304195, 340845, 912585, 1886009, 5658027, 9430045, 28290135]

約数ペア:

[(1, 28290135), (3, 9430045), (5, 5658027), (15, 1886009), (31, 912585), (83, 340845), (93, 304195), (155, 182517), (249, 113615), (415, 68169), (465, 60839), (733, 38595), (1245, 22723), (2199, 12865), (2573, 10995), (3665, 7719)]