20030128419

素因数分解:

$3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{303473}}^1$

素因数の和:303939

約数の個数: 24

約数和(自身を含む): 31136432400

約数和(自身を除く): 11106303981

約数列:

[1, 3, 7, 21, 49, 147, 449, 1347, 3143, 9429, 22001, 66003, 303473, 910419, 2124311, 6372933, 14870177, 44610531, 136259377, 408778131, 953815639, 2861446917, 6676709473, 20030128419]

約数ペア:

[(1, 20030128419), (3, 6676709473), (7, 2861446917), (21, 953815639), (49, 408778131), (147, 136259377), (449, 44610531), (1347, 14870177), (3143, 6372933), (9429, 2124311), (22001, 910419), (66003, 303473)]