12213903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 18869760

約数和(自身を除く): 6655857

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 311, 689, 741, 933, 1007, 2067, 3021, 4043, 5909, 12129, 13091, 16483, 17727, 39273, 49449, 76817, 214279, 230451, 313177, 642837, 939531, 4071301, 12213903]

約数ペア:

[(1, 12213903), (3, 4071301), (13, 939531), (19, 642837), (39, 313177), (53, 230451), (57, 214279), (159, 76817), (247, 49449), (311, 39273), (689, 17727), (741, 16483), (933, 13091), (1007, 12129), (2067, 5909), (3021, 4043)]