47208021

素因数分解:

$3^1\times 7^2\times {\mathrm{321143}}^1$

素因数の和:321160

約数の個数: 12

約数和(自身を含む): 73220832

約数和(自身を除く): 26012811

約数列:

[1, 3, 7, 21, 49, 147, 321143, 963429, 2248001, 6744003, 15736007, 47208021]

約数ペア:

[(1, 47208021), (3, 15736007), (7, 6744003), (21, 2248001), (49, 963429), (147, 321143)]