11820025

素因数分解:

$5^2\times 7^2\times {\mathrm{9649}}^1$

素因数の和:9673

約数の個数: 18

約数和(自身を含む): 17051550

約数和(自身を除く): 5231525

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 9649, 48245, 67543, 241225, 337715, 472801, 1688575, 2364005, 11820025]

約数ペア:

[(1, 11820025), (5, 2364005), (7, 1688575), (25, 472801), (35, 337715), (49, 241225), (175, 67543), (245, 48245), (1225, 9649)]