66489741

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{20021}}^1$

素因数の和:20074

約数の個数: 20

約数和(自身を含む): 101751804

約数和(自身を除く): 35262063

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 20021, 60063, 180189, 540567, 820861, 1621701, 2462583, 7387749, 22163247, 66489741]

約数ペア:

[(1, 66489741), (3, 22163247), (9, 7387749), (27, 2462583), (41, 1621701), (81, 820861), (123, 540567), (369, 180189), (1107, 60063), (3321, 20021)]