9721817

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 11649024

約数和(自身を除く): 1927207

約数列:

[1, 7, 31, 71, 217, 497, 631, 2201, 4417, 15407, 19561, 44801, 136927, 313607, 1388831, 9721817]

約数ペア:

[(1, 9721817), (7, 1388831), (31, 313607), (71, 136927), (217, 44801), (497, 19561), (631, 15407), (2201, 4417)]