12566421

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 22070400

約数和(自身を除く): 9503979

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 599, 777, 999, 1797, 2331, 2997, 4193, 5391, 6993, 12579, 16173, 20979, 22163, 37737, 48519, 66489, 113211, 155141, 199467, 339633, 465423, 598401, 1396269, 1795203, 4188807, 12566421]

約数ペア:

[(1, 12566421), (3, 4188807), (7, 1795203), (9, 1396269), (21, 598401), (27, 465423), (37, 339633), (63, 199467), (81, 155141), (111, 113211), (189, 66489), (259, 48519), (333, 37737), (567, 22163), (599, 20979), (777, 16173), (999, 12579), (1797, 6993), (2331, 5391), (2997, 4193)]