28372875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 48859200

約数和(自身を除く): 20486325

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 2609, 3625, 7827, 10875, 13045, 39135, 65225, 75661, 195675, 226983, 326125, 378305, 978375, 1134915, 1891525, 5674575, 9457625, 28372875]

約数ペア:

[(1, 28372875), (3, 9457625), (5, 5674575), (15, 1891525), (25, 1134915), (29, 978375), (75, 378305), (87, 326125), (125, 226983), (145, 195675), (375, 75661), (435, 65225), (725, 39135), (2175, 13045), (2609, 10875), (3625, 7827)]