261787127

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{3109}}^1$

素因数の和:3662

約数の個数: 16

約数和(自身を含む): 312890880

約数和(自身を除く): 51103753

約数列:

[1, 7, 23, 161, 523, 3109, 3661, 12029, 21763, 71507, 84203, 500549, 1626007, 11382049, 37398161, 261787127]

約数ペア:

[(1, 261787127), (7, 37398161), (23, 11382049), (161, 1626007), (523, 500549), (3109, 84203), (3661, 71507), (12029, 21763)]