9987131

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{2647}}^1$

素因数の和:2679

約数の個数: 16

約数和(自身を含む): 12710400

約数和(自身を除く): 2723269

約数列:

[1, 7, 11, 49, 77, 343, 539, 2647, 3773, 18529, 29117, 129703, 203819, 907921, 1426733, 9987131]

約数ペア:

[(1, 9987131), (7, 1426733), (11, 907921), (49, 203819), (77, 129703), (343, 29117), (539, 18529), (2647, 3773)]