28497861

素因数分解:

$3^2\times 7^2\times {\mathrm{64621}}^1$

素因数の和:64641

約数の個数: 18

約数和(自身を含む): 47884902

約数和(自身を除く): 19387041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64621, 193863, 452347, 581589, 1357041, 3166429, 4071123, 9499287, 28497861]

約数ペア:

[(1, 28497861), (3, 9499287), (7, 4071123), (9, 3166429), (21, 1357041), (49, 581589), (63, 452347), (147, 193863), (441, 64621)]