27390769

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 33212160

約数和(自身を除く): 5821391

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2789, 9821, 19523, 64147, 170129, 449029, 1190903, 3912967, 27390769]

約数ペア:

[(1, 27390769), (7, 3912967), (23, 1190903), (61, 449029), (161, 170129), (427, 64147), (1403, 19523), (2789, 9821)]