12899991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19457}}^1$

素因数の和:19490

約数の個数: 16

約数和(自身を含む): 19613664

約数和(自身を除く): 6713673

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 19457, 58371, 252941, 330769, 758823, 992307, 4299997, 12899991]

約数ペア:

[(1, 12899991), (3, 4299997), (13, 992307), (17, 758823), (39, 330769), (51, 252941), (221, 58371), (663, 19457)]