12121551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 18973136

約数和(自身を除く): 6851585

約数列:

[1, 3, 9, 13, 39, 117, 313, 331, 939, 993, 2817, 2979, 4069, 4303, 12207, 12909, 36621, 38727, 103603, 310809, 932427, 1346839, 4040517, 12121551]

約数ペア:

[(1, 12121551), (3, 4040517), (9, 1346839), (13, 932427), (39, 310809), (117, 103603), (313, 38727), (331, 36621), (939, 12909), (993, 12207), (2817, 4303), (2979, 4069)]