40542201

素因数分解:

$3^4\times 7^1\times {\mathrm{71503}}^1$

素因数の和:71522

約数の個数: 20

約数和(自身を含む): 69215872

約数和(自身を除く): 28673671

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71503, 214509, 500521, 643527, 1501563, 1930581, 4504689, 5791743, 13514067, 40542201]

約数ペア:

[(1, 40542201), (3, 13514067), (7, 5791743), (9, 4504689), (21, 1930581), (27, 1501563), (63, 643527), (81, 500521), (189, 214509), (567, 71503)]