9721481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 12192768

約数和(自身を除く): 2471287

約数列:

[1, 7, 11, 77, 251, 503, 1757, 2761, 3521, 5533, 19327, 38731, 126253, 883771, 1388783, 9721481]

約数ペア:

[(1, 9721481), (7, 1388783), (11, 883771), (77, 126253), (251, 38731), (503, 19327), (1757, 5533), (2761, 3521)]