2558661

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 4052160

約数和(自身を除く): 1493499

約数列:

[1, 3, 7, 21, 37, 89, 111, 259, 267, 623, 777, 1369, 1869, 3293, 4107, 9583, 9879, 23051, 28749, 69153, 121841, 365523, 852887, 2558661]

約数ペア:

[(1, 2558661), (3, 852887), (7, 365523), (21, 121841), (37, 69153), (89, 28749), (111, 23051), (259, 9879), (267, 9583), (623, 4107), (777, 3293), (1369, 1869)]