198550737

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2291

約数の個数: 64

約数和(自身を含む): 375429120

約数和(自身を除く): 176878383

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 63, 77, 99, 129, 189, 231, 297, 301, 387, 473, 693, 903, 1161, 1419, 2079, 2221, 2709, 3311, 4257, 6663, 8127, 9933, 12771, 15547, 19989, 24431, 29799, 46641, 59967, 73293, 89397, 95503, 139923, 171017, 219879, 286509, 419769, 513051, 659637, 668521, 859527, 1050533, 1539153, 2005563, 2578581, 3151599, 4617459, 6016689, 7353731, 9454797, 18050067, 22061193, 28364391, 66183579, 198550737]

約数ペア:

[(1, 198550737), (3, 66183579), (7, 28364391), (9, 22061193), (11, 18050067), (21, 9454797), (27, 7353731), (33, 6016689), (43, 4617459), (63, 3151599), (77, 2578581), (99, 2005563), (129, 1539153), (189, 1050533), (231, 859527), (297, 668521), (301, 659637), (387, 513051), (473, 419769), (693, 286509), (903, 219879), (1161, 171017), (1419, 139923), (2079, 95503), (2221, 89397), (2709, 73293), (3311, 59967), (4257, 46641), (6663, 29799), (8127, 24431), (9933, 19989), (12771, 15547)]