55617009

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19913}}^1$

素因数の和:19949

約数の個数: 24

約数和(自身を含む): 90807840

約数和(自身を除く): 35190831

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19913, 59739, 139391, 378347, 418173, 975737, 1135041, 2648429, 2927211, 7945287, 18539003, 55617009]

約数ペア:

[(1, 55617009), (3, 18539003), (7, 7945287), (19, 2927211), (21, 2648429), (49, 1135041), (57, 975737), (133, 418173), (147, 378347), (399, 139391), (931, 59739), (2793, 19913)]