7847847

素因数分解:

$3^4\times 7^1\times {\mathrm{13841}}^1$

素因数の和:13860

約数の個数: 20

約数和(自身を含む): 13399056

約数和(自身を除く): 5551209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13841, 41523, 96887, 124569, 290661, 373707, 871983, 1121121, 2615949, 7847847]

約数ペア:

[(1, 7847847), (3, 2615949), (7, 1121121), (9, 871983), (21, 373707), (27, 290661), (63, 124569), (81, 96887), (189, 41523), (567, 13841)]