28474047

素因数分解:

$3^2\times 7^2\times {\mathrm{64567}}^1$

素因数の和:64587

約数の個数: 18

約数和(自身を含む): 47844888

約数和(自身を除く): 19370841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64567, 193701, 451969, 581103, 1355907, 3163783, 4067721, 9491349, 28474047]

約数ペア:

[(1, 28474047), (3, 9491349), (7, 4067721), (9, 3163783), (21, 1355907), (49, 581103), (63, 451969), (147, 193701), (441, 64567)]