129339721

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 151097344

約数和(自身を除く): 21757623

約数列:

[1, 7, 73, 127, 511, 889, 1993, 9271, 13951, 64897, 145489, 253111, 1018423, 1771777, 18477103, 129339721]

約数ペア:

[(1, 129339721), (7, 18477103), (73, 1771777), (127, 1018423), (511, 253111), (889, 145489), (1993, 64897), (9271, 13951)]