28504623

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 44469120

約数和(自身を除く): 15964497

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 919, 1477, 2757, 4431, 6433, 10339, 19299, 31017, 45031, 135093, 193909, 581727, 1357363, 4072089, 9501541, 28504623]

約数ペア:

[(1, 28504623), (3, 9501541), (7, 4072089), (21, 1357363), (49, 581727), (147, 193909), (211, 135093), (633, 45031), (919, 31017), (1477, 19299), (2757, 10339), (4431, 6433)]