40815981

素因数分解:

$3^8\times {\mathrm{6221}}^1$

素因数の和:6245

約数の個数: 18

約数和(自身を含む): 61230702

約数和(自身を除く): 20414721

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6221, 6561, 18663, 55989, 167967, 503901, 1511703, 4535109, 13605327, 40815981]

約数ペア:

[(1, 40815981), (3, 13605327), (9, 4535109), (27, 1511703), (81, 503901), (243, 167967), (729, 55989), (2187, 18663), (6221, 6561)]