13991131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 17614080

約数和(自身を除く): 3622949

約数列:

[1, 7, 11, 77, 109, 763, 1199, 1667, 8393, 11669, 18337, 128359, 181703, 1271921, 1998733, 13991131]

約数ペア:

[(1, 13991131), (7, 1998733), (11, 1271921), (77, 181703), (109, 128359), (763, 18337), (1199, 11669), (1667, 8393)]