30206421

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4481}}^1$

素因数の和:4601

約数の個数: 24

約数和(自身を含む): 50341824

約数和(自身を除く): 20135403

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 4481, 6741, 13443, 31367, 40329, 94101, 282303, 479467, 1438401, 3356269, 4315203, 10068807, 30206421]

約数ペア:

[(1, 30206421), (3, 10068807), (7, 4315203), (9, 3356269), (21, 1438401), (63, 479467), (107, 282303), (321, 94101), (749, 40329), (963, 31367), (2247, 13443), (4481, 6741)]