9780121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 10886400

約数和(自身を除く): 1106279

約数列:

[1, 13, 79, 89, 107, 1027, 1157, 1391, 7031, 8453, 9523, 91403, 109889, 123799, 752317, 9780121]

約数ペア:

[(1, 9780121), (13, 752317), (79, 123799), (89, 109889), (107, 91403), (1027, 9523), (1157, 8453), (1391, 7031)]