28107375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4409}}^1$

素因数の和:4444

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 21425745

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 4409, 6375, 13227, 22045, 66135, 74953, 110225, 224859, 330675, 374765, 551125, 1124295, 1653375, 1873825, 5621475, 9369125, 28107375]

約数ペア:

[(1, 28107375), (3, 9369125), (5, 5621475), (15, 1873825), (17, 1653375), (25, 1124295), (51, 551125), (75, 374765), (85, 330675), (125, 224859), (255, 110225), (375, 74953), (425, 66135), (1275, 22045), (2125, 13227), (4409, 6375)]