2650563

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 20

約数和(自身を含む): 4056888

約数和(自身を除く): 1406325

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 761, 1161, 2283, 3483, 6849, 20547, 32723, 61641, 98169, 294507, 883521, 2650563]

約数ペア:

[(1, 2650563), (3, 883521), (9, 294507), (27, 98169), (43, 61641), (81, 32723), (129, 20547), (387, 6849), (761, 3483), (1161, 2283)]