2051228151

素因数分解:

$3^3\times 7^3\times {\mathrm{61}}^1\times {\mathrm{3631}}^1$

素因数の和:3722

約数の個数: 64

約数和(自身を含む): 3602944000

約数和(自身を除く): 1551715849

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 343, 427, 441, 549, 1029, 1281, 1323, 1647, 2989, 3087, 3631, 3843, 8967, 9261, 10893, 11529, 20923, 25417, 26901, 32679, 62769, 76251, 80703, 98037, 177919, 188307, 221491, 228753, 533757, 564921, 664473, 686259, 1245433, 1550437, 1601271, 1993419, 3736299, 4651311, 4803813, 5980257, 10853059, 11208897, 13953933, 32559177, 33626691, 41861799, 75971413, 97677531, 227914239, 293032593, 683742717, 2051228151]

約数ペア:

[(1, 2051228151), (3, 683742717), (7, 293032593), (9, 227914239), (21, 97677531), (27, 75971413), (49, 41861799), (61, 33626691), (63, 32559177), (147, 13953933), (183, 11208897), (189, 10853059), (343, 5980257), (427, 4803813), (441, 4651311), (549, 3736299), (1029, 1993419), (1281, 1601271), (1323, 1550437), (1647, 1245433), (2989, 686259), (3087, 664473), (3631, 564921), (3843, 533757), (8967, 228753), (9261, 221491), (10893, 188307), (11529, 177919), (20923, 98037), (25417, 80703), (26901, 76251), (32679, 62769)]