27808025

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1213}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 39741504

約数和(自身を除く): 11933479

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 1213, 3275, 4585, 6065, 8491, 22925, 30325, 42455, 158903, 212275, 794515, 1112321, 3972575, 5561605, 27808025]

約数ペア:

[(1, 27808025), (5, 5561605), (7, 3972575), (25, 1112321), (35, 794515), (131, 212275), (175, 158903), (655, 42455), (917, 30325), (1213, 22925), (3275, 8491), (4585, 6065)]