2906855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 4193952

約数和(自身を除く): 1287097

約数列:

[1, 5, 7, 23, 35, 115, 157, 161, 529, 785, 805, 1099, 2645, 3611, 3703, 5495, 18055, 18515, 25277, 83053, 126385, 415265, 581371, 2906855]

約数ペア:

[(1, 2906855), (5, 581371), (7, 415265), (23, 126385), (35, 83053), (115, 25277), (157, 18515), (161, 18055), (529, 5495), (785, 3703), (805, 3611), (1099, 2645)]