65969721

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{11471}}^1$

素因数の和:11554

約数の個数: 20

約数和(自身を含む): 99944064

約数和(自身を除く): 33974343

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 11471, 34413, 103239, 309717, 814441, 929151, 2443323, 7329969, 21989907, 65969721]

約数ペア:

[(1, 65969721), (3, 21989907), (9, 7329969), (27, 2443323), (71, 929151), (81, 814441), (213, 309717), (639, 103239), (1917, 34413), (5751, 11471)]