287947737

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3291

約数の個数: 64

約数和(自身を含む): 544389120

約数和(自身を除く): 256441383

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, 2709, 3221, 3311, 4257, 8127, 9663, 9933, 12771, 22547, 28989, 29799, 35431, 67641, 86967, 89397, 106293, 138503, 202923, 248017, 318879, 415509, 608769, 744051, 956637, 969521, 1246527, 1523533, 2232153, 2908563, 3739581, 4570599, 6696459, 8725689, 10664731, 13711797, 26177067, 31994193, 41135391, 95982579, 287947737]

約数ペア:

[(1, 287947737), (3, 95982579), (7, 41135391), (9, 31994193), (11, 26177067), (21, 13711797), (27, 10664731), (33, 8725689), (43, 6696459), (63, 4570599), (77, 3739581), (99, 2908563), (129, 2232153), (189, 1523533), (231, 1246527), (297, 969521), (301, 956637), (387, 744051), (473, 608769), (693, 415509), (903, 318879), (1161, 248017), (1419, 202923), (2079, 138503), (2709, 106293), (3221, 89397), (3311, 86967), (4257, 67641), (8127, 35431), (9663, 29799), (9933, 28989), (12771, 22547)]