8220825

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 15921600

約数和(自身を除く): 7700775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 641, 675, 855, 1425, 1923, 2565, 3205, 4275, 5769, 9615, 12179, 12825, 16025, 17307, 28845, 36537, 48075, 60895, 86535, 109611, 144225, 182685, 304475, 328833, 432675, 548055, 913425, 1644165, 2740275, 8220825]

約数ペア:

[(1, 8220825), (3, 2740275), (5, 1644165), (9, 913425), (15, 548055), (19, 432675), (25, 328833), (27, 304475), (45, 182685), (57, 144225), (75, 109611), (95, 86535), (135, 60895), (171, 48075), (225, 36537), (285, 28845), (475, 17307), (513, 16025), (641, 12825), (675, 12179), (855, 9615), (1425, 5769), (1923, 4275), (2565, 3205)]