2778225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 4865760

約数和(自身を除く): 2087535

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 2179, 6537, 10895, 32685, 37043, 54475, 111129, 163425, 185215, 555645, 926075, 2778225]

約数ペア:

[(1, 2778225), (3, 926075), (5, 555645), (15, 185215), (17, 163425), (25, 111129), (51, 54475), (75, 37043), (85, 32685), (255, 10895), (425, 6537), (1275, 2179)]