54991989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1531}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 85877792

約数和(自身を除く): 30885803

約数列:

[1, 3, 9, 13, 39, 117, 307, 921, 1531, 2763, 3991, 4593, 11973, 13779, 19903, 35919, 59709, 179127, 470017, 1410051, 4230153, 6110221, 18330663, 54991989]

約数ペア:

[(1, 54991989), (3, 18330663), (9, 6110221), (13, 4230153), (39, 1410051), (117, 470017), (307, 179127), (921, 59709), (1531, 35919), (2763, 19903), (3991, 13779), (4593, 11973)]