9876455

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 12317184

約数和(自身を除く): 2440729

約数列:

[1, 5, 43, 71, 215, 355, 647, 3053, 3235, 15265, 27821, 45937, 139105, 229685, 1975291, 9876455]

約数ペア:

[(1, 9876455), (5, 1975291), (43, 229685), (71, 139105), (215, 45937), (355, 27821), (647, 15265), (3053, 3235)]