56287917

素因数分解:

$3^2\times 7^2\times {\mathrm{127637}}^1$

素因数の和:127657

約数の個数: 18

約数和(自身を含む): 94579758

約数和(自身を除く): 38291841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 127637, 382911, 893459, 1148733, 2680377, 6254213, 8041131, 18762639, 56287917]

約数ペア:

[(1, 56287917), (3, 18762639), (7, 8041131), (9, 6254213), (21, 2680377), (49, 1148733), (63, 893459), (147, 382911), (441, 127637)]