27958077

素因数分解:

$3^2\times 7^2\times {\mathrm{63397}}^1$

素因数の和:63417

約数の個数: 18

約数和(自身を含む): 46977918

約数和(自身を除く): 19019841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63397, 190191, 443779, 570573, 1331337, 3106453, 3994011, 9319359, 27958077]

約数ペア:

[(1, 27958077), (3, 9319359), (7, 3994011), (9, 3106453), (21, 1331337), (49, 570573), (63, 443779), (147, 190191), (441, 63397)]