25032321

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7187}}^1$

素因数の和:7242

約数の個数: 20

約数和(自身を含む): 38268912

約数和(自身を除く): 13236591

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7187, 21561, 64683, 194049, 309041, 582147, 927123, 2781369, 8344107, 25032321]

約数ペア:

[(1, 25032321), (3, 8344107), (9, 2781369), (27, 927123), (43, 582147), (81, 309041), (129, 194049), (387, 64683), (1161, 21561), (3483, 7187)]