11521809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 19393920

約数和(自身を除く): 7872111

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 73, 117, 171, 213, 219, 247, 639, 657, 741, 923, 949, 1349, 1387, 2223, 2769, 2847, 4047, 4161, 5183, 8307, 8541, 12141, 12483, 15549, 17537, 18031, 46647, 52611, 54093, 67379, 98477, 157833, 162279, 202137, 295431, 606411, 886293, 1280201, 3840603, 11521809]

約数ペア:

[(1, 11521809), (3, 3840603), (9, 1280201), (13, 886293), (19, 606411), (39, 295431), (57, 202137), (71, 162279), (73, 157833), (117, 98477), (171, 67379), (213, 54093), (219, 52611), (247, 46647), (639, 18031), (657, 17537), (741, 15549), (923, 12483), (949, 12141), (1349, 8541), (1387, 8307), (2223, 5183), (2769, 4161), (2847, 4047)]