28287075

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2753}}^1$

素因数の和:2903

約数の個数: 24

約数和(自身を含む): 47126448

約数和(自身を除く): 18839373

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 2753, 3425, 8259, 10275, 13765, 41295, 68825, 206475, 377161, 1131483, 1885805, 5657415, 9429025, 28287075]

約数ペア:

[(1, 28287075), (3, 9429025), (5, 5657415), (15, 1885805), (25, 1131483), (75, 377161), (137, 206475), (411, 68825), (685, 41295), (2055, 13765), (2753, 10275), (3425, 8259)]