40840407

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{63913}}^1$

素因数の和:63990

約数の個数: 12

約数和(自身を含む): 59823504

約数和(自身を除く): 18983097

約数列:

[1, 3, 9, 71, 213, 639, 63913, 191739, 575217, 4537823, 13613469, 40840407]

約数ペア:

[(1, 40840407), (3, 13613469), (9, 4537823), (71, 575217), (213, 191739), (639, 63913)]