51427089

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2543}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 87920640

約数和(自身を除く): 36493551

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2543, 2889, 6741, 7629, 17801, 20223, 22887, 53403, 68661, 160209, 272101, 480627, 816303, 1904707, 2448909, 5714121, 7346727, 17142363, 51427089]

約数ペア:

[(1, 51427089), (3, 17142363), (7, 7346727), (9, 5714121), (21, 2448909), (27, 1904707), (63, 816303), (107, 480627), (189, 272101), (321, 160209), (749, 68661), (963, 53403), (2247, 22887), (2543, 20223), (2889, 17801), (6741, 7629)]