7780941

素因数分解:

$3^4\times 7^1\times {\mathrm{13723}}^1$

素因数の和:13742

約数の個数: 20

約数和(自身を含む): 13284832

約数和(自身を除く): 5503891

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13723, 41169, 96061, 123507, 288183, 370521, 864549, 1111563, 2593647, 7780941]

約数ペア:

[(1, 7780941), (3, 2593647), (7, 1111563), (9, 864549), (21, 370521), (27, 288183), (63, 123507), (81, 96061), (189, 41169), (567, 13723)]