15189321

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{881}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 23200128

約数和(自身を除く): 8010807

約数列:

[1, 3, 7, 21, 821, 881, 2463, 2643, 5747, 6167, 17241, 18501, 723301, 2169903, 5063107, 15189321]

約数ペア:

[(1, 15189321), (3, 5063107), (7, 2169903), (21, 723301), (821, 18501), (881, 17241), (2463, 6167), (2643, 5747)]