490631211

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{210481}}^1$

素因数の和:210531

約数の個数: 24

約数和(自身を含む): 831824864

約数和(自身を除く): 341193653

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 210481, 631443, 1473367, 1894329, 4420101, 7787797, 13260303, 23363391, 54514579, 70090173, 163543737, 490631211]

約数ペア:

[(1, 490631211), (3, 163543737), (7, 70090173), (9, 54514579), (21, 23363391), (37, 13260303), (63, 7787797), (111, 4420101), (259, 1894329), (333, 1473367), (777, 631443), (2331, 210481)]