28272525

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2179}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 47035680

約数和(自身を除く): 18763155

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2179, 2595, 4325, 6537, 10895, 12975, 32685, 54475, 163425, 376967, 1130901, 1884835, 5654505, 9424175, 28272525]

約数ペア:

[(1, 28272525), (3, 9424175), (5, 5654505), (15, 1884835), (25, 1130901), (75, 376967), (173, 163425), (519, 54475), (865, 32685), (2179, 12975), (2595, 10895), (4325, 6537)]