68486691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{250867}}^1$

素因数の和:250890

約数の個数: 16

約数和(自身を含む): 112388864

約数和(自身を除く): 43902173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 250867, 752601, 1756069, 3261271, 5268207, 9783813, 22828897, 68486691]

約数ペア:

[(1, 68486691), (3, 22828897), (7, 9783813), (13, 5268207), (21, 3261271), (39, 1756069), (91, 752601), (273, 250867)]