202104945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 411068736

約数和(自身を除く): 208963791

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 347, 387, 645, 903, 1041, 1505, 1735, 1849, 1935, 2429, 2709, 3123, 4515, 5205, 5547, 7287, 9245, 12145, 12943, 13545, 14921, 15615, 16641, 21861, 27735, 36435, 38829, 44763, 64715, 74605, 83205, 104447, 109305, 116487, 134289, 194145, 223815, 313341, 522235, 582435, 641603, 671445, 940023, 1566705, 1924809, 3208015, 4491221, 4700115, 5774427, 9624045, 13473663, 22456105, 28872135, 40420989, 67368315, 202104945]

約数ペア:

[(1, 202104945), (3, 67368315), (5, 40420989), (7, 28872135), (9, 22456105), (15, 13473663), (21, 9624045), (35, 5774427), (43, 4700115), (45, 4491221), (63, 3208015), (105, 1924809), (129, 1566705), (215, 940023), (301, 671445), (315, 641603), (347, 582435), (387, 522235), (645, 313341), (903, 223815), (1041, 194145), (1505, 134289), (1735, 116487), (1849, 109305), (1935, 104447), (2429, 83205), (2709, 74605), (3123, 64715), (4515, 44763), (5205, 38829), (5547, 36435), (7287, 27735), (9245, 21861), (12145, 16641), (12943, 15615), (13545, 14921)]