11972169

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 20127744

約数和(自身を除く): 8155575

約数列:

[1, 3, 9, 11, 31, 33, 47, 83, 93, 99, 141, 249, 279, 341, 423, 517, 747, 913, 1023, 1457, 1551, 2573, 2739, 3069, 3901, 4371, 4653, 7719, 8217, 11703, 13113, 16027, 23157, 28303, 35109, 42911, 48081, 84909, 120931, 128733, 144243, 254727, 362793, 386199, 1088379, 1330241, 3990723, 11972169]

約数ペア:

[(1, 11972169), (3, 3990723), (9, 1330241), (11, 1088379), (31, 386199), (33, 362793), (47, 254727), (83, 144243), (93, 128733), (99, 120931), (141, 84909), (249, 48081), (279, 42911), (341, 35109), (423, 28303), (517, 23157), (747, 16027), (913, 13113), (1023, 11703), (1457, 8217), (1551, 7719), (2573, 4653), (2739, 4371), (3069, 3901)]