30907821

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5431}}^1$

素因数の和:5712

約数の個数: 16

約数和(自身を含む): 47280128

約数和(自身を除く): 16372307

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5431, 5691, 16293, 38017, 114051, 1471801, 4415403, 10302607, 30907821]

約数ペア:

[(1, 30907821), (3, 10302607), (7, 4415403), (21, 1471801), (271, 114051), (813, 38017), (1897, 16293), (5431, 5691)]