66371721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 101160192

約数和(自身を除く): 34788471

約数列:

[1, 3, 13, 23, 39, 61, 69, 183, 299, 793, 897, 1213, 1403, 2379, 3639, 4209, 15769, 18239, 27899, 47307, 54717, 73993, 83697, 221979, 362687, 961909, 1088061, 1701839, 2885727, 5105517, 22123907, 66371721]

約数ペア:

[(1, 66371721), (3, 22123907), (13, 5105517), (23, 2885727), (39, 1701839), (61, 1088061), (69, 961909), (183, 362687), (299, 221979), (793, 83697), (897, 73993), (1213, 54717), (1403, 47307), (2379, 27899), (3639, 18239), (4209, 15769)]