12921139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9871}}^1$

素因数の和:9906

約数の個数: 16

約数和(自身を含む): 17058816

約数和(自身を除く): 4137677

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 9871, 69097, 108581, 167807, 760067, 1174649, 1845877, 12921139]

約数ペア:

[(1, 12921139), (7, 1845877), (11, 1174649), (17, 760067), (77, 167807), (119, 108581), (187, 69097), (1309, 9871)]