121422721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{7789}}^1$

素因数の和:7944

約数の個数: 16

約数和(自身を含む): 148072320

約数和(自身を除く): 26649599

約数列:

[1, 7, 17, 119, 131, 917, 2227, 7789, 15589, 54523, 132413, 926891, 1020359, 7142513, 17346103, 121422721]

約数ペア:

[(1, 121422721), (7, 17346103), (17, 7142513), (119, 1020359), (131, 926891), (917, 132413), (2227, 54523), (7789, 15589)]