26039727

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 36

約数和(自身を含む): 44175456

約数和(自身を除く): 18135729

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 431, 441, 959, 1233, 1293, 2877, 3017, 3879, 6713, 8631, 9051, 20139, 21119, 27153, 59047, 60417, 63357, 177141, 190071, 413329, 531423, 1239987, 2893303, 3719961, 8679909, 26039727]

約数ペア:

[(1, 26039727), (3, 8679909), (7, 3719961), (9, 2893303), (21, 1239987), (49, 531423), (63, 413329), (137, 190071), (147, 177141), (411, 63357), (431, 60417), (441, 59047), (959, 27153), (1233, 21119), (1293, 20139), (2877, 9051), (3017, 8631), (3879, 6713)]