28498239

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28111041

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 41, 51, 59, 63, 77, 99, 119, 123, 153, 177, 187, 231, 287, 357, 369, 413, 451, 531, 561, 649, 693, 697, 861, 1003, 1071, 1239, 1309, 1353, 1683, 1947, 2091, 2419, 2583, 3009, 3157, 3717, 3927, 4059, 4543, 4879, 5841, 6273, 7021, 7257, 7667, 9027, 9471, 11033, 11781, 13629, 14637, 16933, 21063, 21771, 23001, 26609, 28413, 33099, 40887, 41123, 43911, 50799, 53669, 63189, 69003, 77231, 79827, 99297, 123369, 152397, 161007, 186263, 231693, 239481, 287861, 370107, 452353, 483021, 558789, 695079, 863583, 1357059, 1676367, 2590749, 3166471, 4071177, 9499413, 28498239]

約数ペア:

[(1, 28498239), (3, 9499413), (7, 4071177), (9, 3166471), (11, 2590749), (17, 1676367), (21, 1357059), (33, 863583), (41, 695079), (51, 558789), (59, 483021), (63, 452353), (77, 370107), (99, 287861), (119, 239481), (123, 231693), (153, 186263), (177, 161007), (187, 152397), (231, 123369), (287, 99297), (357, 79827), (369, 77231), (413, 69003), (451, 63189), (531, 53669), (561, 50799), (649, 43911), (693, 41123), (697, 40887), (861, 33099), (1003, 28413), (1071, 26609), (1239, 23001), (1309, 21771), (1353, 21063), (1683, 16933), (1947, 14637), (2091, 13629), (2419, 11781), (2583, 11033), (3009, 9471), (3157, 9027), (3717, 7667), (3927, 7257), (4059, 7021), (4543, 6273), (4879, 5841)]