678606417

素因数分解:

$3^7\times {\mathrm{310291}}^1$

素因数の和:310312

約数の個数: 16

約数和(自身を含む): 1017757760

約数和(自身を除く): 339151343

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 310291, 930873, 2792619, 8377857, 25133571, 75400713, 226202139, 678606417]

約数ペア:

[(1, 678606417), (3, 226202139), (9, 75400713), (27, 25133571), (81, 8377857), (243, 2792619), (729, 930873), (2187, 310291)]