51517791

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{33871}}^1$

素因数の和:33903

約数の個数: 18

約数和(自身を含む): 80581488

約数和(自身を除く): 29063697

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 33871, 101613, 304839, 440323, 1320969, 3962907, 5724199, 17172597, 51517791]

約数ペア:

[(1, 51517791), (3, 17172597), (9, 5724199), (13, 3962907), (39, 1320969), (117, 440323), (169, 304839), (507, 101613), (1521, 33871)]