25015137

素因数分解:

$3^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 38988000

約数和(自身を除く): 13972863

約数列:

[1, 3, 7, 21, 49, 147, 379, 449, 1137, 1347, 2653, 3143, 7959, 9429, 18571, 22001, 55713, 66003, 170171, 510513, 1191197, 3573591, 8338379, 25015137]

約数ペア:

[(1, 25015137), (3, 8338379), (7, 3573591), (21, 1191197), (49, 510513), (147, 170171), (379, 66003), (449, 55713), (1137, 22001), (1347, 18571), (2653, 9429), (3143, 7959)]