12213789

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4409

約数の個数: 24

約数和(自身を含む): 19945440

約数和(自身を除く): 7731651

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4373, 13119, 30611, 83087, 91833, 214277, 249261, 581609, 642831, 1744827, 4071263, 12213789]

約数ペア:

[(1, 12213789), (3, 4071263), (7, 1744827), (19, 642831), (21, 581609), (49, 249261), (57, 214277), (133, 91833), (147, 83087), (399, 30611), (931, 13119), (2793, 4373)]