2740275

素因数分解:

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

素因数の和:676

約数の個数: 36

約数和(自身を含む): 5174520

約数和(自身を除く): 2434245

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 641, 855, 1425, 1923, 3205, 4275, 5769, 9615, 12179, 16025, 28845, 36537, 48075, 60895, 109611, 144225, 182685, 304475, 548055, 913425, 2740275]

約数ペア:

[(1, 2740275), (3, 913425), (5, 548055), (9, 304475), (15, 182685), (19, 144225), (25, 109611), (45, 60895), (57, 48075), (75, 36537), (95, 28845), (171, 16025), (225, 12179), (285, 9615), (475, 5769), (641, 4275), (855, 3205), (1425, 1923)]