82412721

素因数分解:

$3^9\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 127543680

約数和(自身を除く): 45130959

約数列:

[1, 3, 9, 27, 53, 79, 81, 159, 237, 243, 477, 711, 729, 1431, 2133, 2187, 4187, 4293, 6399, 6561, 12561, 12879, 19197, 19683, 37683, 38637, 57591, 113049, 115911, 172773, 339147, 347733, 518319, 1017441, 1043199, 1554957, 3052323, 9156969, 27470907, 82412721]

約数ペア:

[(1, 82412721), (3, 27470907), (9, 9156969), (27, 3052323), (53, 1554957), (79, 1043199), (81, 1017441), (159, 518319), (237, 347733), (243, 339147), (477, 172773), (711, 115911), (729, 113049), (1431, 57591), (2133, 38637), (2187, 37683), (4187, 19683), (4293, 19197), (6399, 12879), (6561, 12561)]