64724247

素因数分解:

$3^2\times 7^2\times {\mathrm{146767}}^1$

素因数の和:146787

約数の個数: 18

約数和(自身を含む): 108755088

約数和(自身を除く): 44030841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 146767, 440301, 1027369, 1320903, 3082107, 7191583, 9246321, 21574749, 64724247]

約数ペア:

[(1, 64724247), (3, 21574749), (7, 9246321), (9, 7191583), (21, 3082107), (49, 1320903), (63, 1027369), (147, 440301), (441, 146767)]