207975845

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{77171}}^1$

素因数の和:77201

約数の個数: 24

約数和(自身を含む): 316713888

約数和(自身を除く): 108738043

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 77171, 385855, 540197, 848881, 2700985, 3781379, 4244405, 5942167, 18906895, 29710835, 41595169, 207975845]

約数ペア:

[(1, 207975845), (5, 41595169), (7, 29710835), (11, 18906895), (35, 5942167), (49, 4244405), (55, 3781379), (77, 2700985), (245, 848881), (385, 540197), (539, 385855), (2695, 77171)]