213315669

素因数分解:

$3^2\times 7^2\times {\mathrm{483709}}^1$

素因数の和:483729

約数の個数: 18

約数和(自身を含む): 358429110

約数和(自身を除く): 145113441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 483709, 1451127, 3385963, 4353381, 10157889, 23701741, 30473667, 71105223, 213315669]

約数ペア:

[(1, 213315669), (3, 71105223), (7, 30473667), (9, 23701741), (21, 10157889), (49, 4353381), (63, 3385963), (147, 1451127), (441, 483709)]