42281757

素因数分解:

$3^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 76186656

約数和(自身を除く): 33904899

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 67, 81, 147, 159, 189, 201, 243, 371, 441, 469, 477, 567, 603, 1113, 1323, 1407, 1431, 1701, 1809, 2597, 3283, 3339, 3551, 3969, 4221, 4293, 5427, 7791, 9849, 10017, 10653, 11907, 12663, 12879, 16281, 23373, 24857, 29547, 30051, 31959, 37989, 70119, 74571, 88641, 90153, 95877, 113967, 173999, 210357, 223713, 265923, 287631, 521997, 631071, 671139, 797769, 862893, 1565991, 2013417, 4697973, 6040251, 14093919, 42281757]

約数ペア:

[(1, 42281757), (3, 14093919), (7, 6040251), (9, 4697973), (21, 2013417), (27, 1565991), (49, 862893), (53, 797769), (63, 671139), (67, 631071), (81, 521997), (147, 287631), (159, 265923), (189, 223713), (201, 210357), (243, 173999), (371, 113967), (441, 95877), (469, 90153), (477, 88641), (567, 74571), (603, 70119), (1113, 37989), (1323, 31959), (1407, 30051), (1431, 29547), (1701, 24857), (1809, 23373), (2597, 16281), (3283, 12879), (3339, 12663), (3551, 11907), (3969, 10653), (4221, 10017), (4293, 9849), (5427, 7791)]