25321905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{80387}}^1$

素因数の和:80405

約数の個数: 24

約数和(自身を含む): 50162112

約数和(自身を除く): 24840207

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 80387, 241161, 401935, 562709, 723483, 1205805, 1688127, 2813545, 3617415, 5064381, 8440635, 25321905]

約数ペア:

[(1, 25321905), (3, 8440635), (5, 5064381), (7, 3617415), (9, 2813545), (15, 1688127), (21, 1205805), (35, 723483), (45, 562709), (63, 401935), (105, 241161), (315, 80387)]