165884257

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13381}}^1$

素因数の和:13429

約数の個数: 24

約数和(自身を含む): 219678912

約数和(自身を除く): 53794655

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 13381, 93667, 147191, 307763, 655669, 1030337, 2154341, 3385393, 7212359, 15080387, 23697751, 165884257]

約数ペア:

[(1, 165884257), (7, 23697751), (11, 15080387), (23, 7212359), (49, 3385393), (77, 2154341), (161, 1030337), (253, 655669), (539, 307763), (1127, 147191), (1771, 93667), (12397, 13381)]