68211507

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{249859}}^1$

素因数の和:249882

約数の個数: 16

約数和(自身を含む): 111937280

約数和(自身を除く): 43725773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 249859, 749577, 1749013, 3248167, 5247039, 9744501, 22737169, 68211507]

約数ペア:

[(1, 68211507), (3, 22737169), (7, 9744501), (13, 5247039), (21, 3248167), (39, 1749013), (91, 749577), (273, 249859)]