12831777

素因数分解:

$3^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 23091156

約数和(自身を除く): 10259379

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 61, 63, 81, 147, 159, 183, 189, 371, 427, 441, 477, 549, 567, 1113, 1281, 1323, 1431, 1647, 2597, 2989, 3233, 3339, 3843, 3969, 4293, 4941, 7791, 8967, 9699, 10017, 11529, 22631, 23373, 26901, 29097, 30051, 34587, 67893, 70119, 80703, 87291, 158417, 203679, 210357, 242109, 261873, 475251, 611037, 1425753, 1833111, 4277259, 12831777]

約数ペア:

[(1, 12831777), (3, 4277259), (7, 1833111), (9, 1425753), (21, 611037), (27, 475251), (49, 261873), (53, 242109), (61, 210357), (63, 203679), (81, 158417), (147, 87291), (159, 80703), (183, 70119), (189, 67893), (371, 34587), (427, 30051), (441, 29097), (477, 26901), (549, 23373), (567, 22631), (1113, 11529), (1281, 10017), (1323, 9699), (1431, 8967), (1647, 7791), (2597, 4941), (2989, 4293), (3233, 3969), (3339, 3843)]