1215528741

素因数分解:

$3^3\times 7^2\times {\mathrm{918767}}^1$

素因数の和:918790

約数の個数: 24

約数和(自身を含む): 2094791040

約数和(自身を除く): 879262299

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 918767, 2756301, 6431369, 8268903, 19294107, 24806709, 45019583, 57882321, 135058749, 173646963, 405176247, 1215528741]

約数ペア:

[(1, 1215528741), (3, 405176247), (7, 173646963), (9, 135058749), (21, 57882321), (27, 45019583), (49, 24806709), (63, 19294107), (147, 8268903), (189, 6431369), (441, 2756301), (1323, 918767)]