31227721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 37764864

約数和(自身を除く): 6537143

約数列:

[1, 7, 23, 73, 161, 511, 1679, 2657, 11753, 18599, 61111, 193961, 427777, 1357727, 4461103, 31227721]

約数ペア:

[(1, 31227721), (7, 4461103), (23, 1357727), (73, 427777), (161, 193961), (511, 61111), (1679, 18599), (2657, 11753)]