1965922581

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{129841}}^1$

素因数の和:129961

約数の個数: 24

約数和(自身を含む): 3078813504

約数和(自身を除く): 1112890923

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 129841, 389523, 908887, 2726661, 6362209, 13373623, 19086627, 40120869, 93615361, 280846083, 655307527, 1965922581]

約数ペア:

[(1, 1965922581), (3, 655307527), (7, 280846083), (21, 93615361), (49, 40120869), (103, 19086627), (147, 13373623), (309, 6362209), (721, 2726661), (2163, 908887), (5047, 389523), (15141, 129841)]