68476821

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23459}}^1$

素因数の和:23608

約数の個数: 16

約数和(自身を含む): 105100800

約数和(自身を除く): 36623979

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 23459, 70377, 164213, 492639, 3260801, 9782403, 22825607, 68476821]

約数ペア:

[(1, 68476821), (3, 22825607), (7, 9782403), (21, 3260801), (139, 492639), (417, 164213), (973, 70377), (2919, 23459)]