12122775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 25534080

約数和(自身を除く): 13411305

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 179, 215, 225, 301, 315, 387, 525, 537, 645, 895, 903, 1075, 1253, 1505, 1575, 1611, 1935, 2685, 2709, 3225, 3759, 4475, 4515, 6265, 7525, 7697, 8055, 9675, 11277, 13425, 13545, 18795, 22575, 23091, 31325, 38485, 40275, 53879, 56385, 67725, 69273, 93975, 115455, 161637, 192425, 269395, 281925, 346365, 484911, 577275, 808185, 1346975, 1731825, 2424555, 4040925, 12122775]

約数ペア:

[(1, 12122775), (3, 4040925), (5, 2424555), (7, 1731825), (9, 1346975), (15, 808185), (21, 577275), (25, 484911), (35, 346365), (43, 281925), (45, 269395), (63, 192425), (75, 161637), (105, 115455), (129, 93975), (175, 69273), (179, 67725), (215, 56385), (225, 53879), (301, 40275), (315, 38485), (387, 31325), (525, 23091), (537, 22575), (645, 18795), (895, 13545), (903, 13425), (1075, 11277), (1253, 9675), (1505, 8055), (1575, 7697), (1611, 7525), (1935, 6265), (2685, 4515), (2709, 4475), (3225, 3759)]