8929809

素因数分解:

$3^2\times 7^2\times {\mathrm{20249}}^1$

素因数の和:20269

約数の個数: 18

約数和(自身を含む): 15005250

約数和(自身を除く): 6075441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20249, 60747, 141743, 182241, 425229, 992201, 1275687, 2976603, 8929809]

約数ペア:

[(1, 8929809), (3, 2976603), (7, 1275687), (9, 992201), (21, 425229), (49, 182241), (63, 141743), (147, 60747), (441, 20249)]