15520967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 20568960

約数和(自身を除く): 5047993

約数列:

[1, 7, 11, 19, 77, 103, 133, 209, 721, 1133, 1463, 1957, 7931, 10609, 13699, 21527, 74263, 116699, 150689, 201571, 816893, 1410997, 2217281, 15520967]

約数ペア:

[(1, 15520967), (7, 2217281), (11, 1410997), (19, 816893), (77, 201571), (103, 150689), (133, 116699), (209, 74263), (721, 21527), (1133, 13699), (1463, 10609), (1957, 7931)]