23171855

素因数分解:

$5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 32558400

約数和(自身を除く): 9386545

約数列:

[1, 5, 7, 35, 49, 245, 271, 349, 1355, 1745, 1897, 2443, 9485, 12215, 13279, 17101, 66395, 85505, 94579, 472895, 662053, 3310265, 4634371, 23171855]

約数ペア:

[(1, 23171855), (5, 4634371), (7, 3310265), (35, 662053), (49, 472895), (245, 94579), (271, 85505), (349, 66395), (1355, 17101), (1745, 13279), (1897, 12215), (2443, 9485)]