25272405

素因数分解:

$3^4\times 5^1\times {\mathrm{62401}}^1$

素因数の和:62418

約数の個数: 20

約数和(自身を含む): 45303852

約数和(自身を除く): 20031447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62401, 187203, 312005, 561609, 936015, 1684827, 2808045, 5054481, 8424135, 25272405]

約数ペア:

[(1, 25272405), (3, 8424135), (5, 5054481), (9, 2808045), (15, 1684827), (27, 936015), (45, 561609), (81, 312005), (135, 187203), (405, 62401)]