206857275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8539}}^1$

素因数の和:8588

約数の個数: 48

約数和(自身を含む): 381225600

約数和(自身を除く): 174368325

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 4845, 8075, 8539, 24225, 25617, 42695, 128085, 145163, 162241, 213475, 435489, 486723, 640425, 725815, 811205, 2177445, 2433615, 2758097, 3629075, 4056025, 8274291, 10887225, 12168075, 13790485, 41371455, 68952425, 206857275]

約数ペア:

[(1, 206857275), (3, 68952425), (5, 41371455), (15, 13790485), (17, 12168075), (19, 10887225), (25, 8274291), (51, 4056025), (57, 3629075), (75, 2758097), (85, 2433615), (95, 2177445), (255, 811205), (285, 725815), (323, 640425), (425, 486723), (475, 435489), (969, 213475), (1275, 162241), (1425, 145163), (1615, 128085), (4845, 42695), (8075, 25617), (8539, 24225)]