291217941

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{43201}}^1$

素因数の和:43321

約数の個数: 24

約数和(自身を含む): 485244864

約数和(自身を除く): 194026923

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 43201, 129603, 302407, 388809, 907221, 2721663, 4622507, 13867521, 32357549, 41602563, 97072647, 291217941]

約数ペア:

[(1, 291217941), (3, 97072647), (7, 41602563), (9, 32357549), (21, 13867521), (63, 4622507), (107, 2721663), (321, 907221), (749, 388809), (963, 302407), (2247, 129603), (6741, 43201)]