68789007

素因数分解:

$3^4\times 7^1\times {\mathrm{121321}}^1$

素因数の和:121340

約数の個数: 20

約数和(自身を含む): 117439696

約数和(自身を除く): 48650689

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 121321, 363963, 849247, 1091889, 2547741, 3275667, 7643223, 9827001, 22929669, 68789007]

約数ペア:

[(1, 68789007), (3, 22929669), (7, 9827001), (9, 7643223), (21, 3275667), (27, 2547741), (63, 1091889), (81, 849247), (189, 363963), (567, 121321)]