2805825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 5356800

約数和(自身を除く): 2550975

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 179, 209, 275, 285, 475, 537, 627, 825, 895, 1045, 1425, 1969, 2685, 3135, 3401, 4475, 5225, 5907, 9845, 10203, 13425, 15675, 17005, 29535, 37411, 49225, 51015, 85025, 112233, 147675, 187055, 255075, 561165, 935275, 2805825]

約数ペア:

[(1, 2805825), (3, 935275), (5, 561165), (11, 255075), (15, 187055), (19, 147675), (25, 112233), (33, 85025), (55, 51015), (57, 49225), (75, 37411), (95, 29535), (165, 17005), (179, 15675), (209, 13425), (275, 10203), (285, 9845), (475, 5907), (537, 5225), (627, 4475), (825, 3401), (895, 3135), (1045, 2685), (1425, 1969)]