12807725

素因数分解:

$5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 18302400

約数和(自身を除く): 5494675

約数列:

[1, 5, 7, 25, 35, 163, 175, 449, 815, 1141, 2245, 3143, 4075, 5705, 11225, 15715, 28525, 73187, 78575, 365935, 512309, 1829675, 2561545, 12807725]

約数ペア:

[(1, 12807725), (5, 2561545), (7, 1829675), (25, 512309), (35, 365935), (163, 78575), (175, 73187), (449, 28525), (815, 15715), (1141, 11225), (2245, 5705), (3143, 4075)]