12553167

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20054

約数の個数: 16

約数和(自身を含む): 19221120

約数和(自身を除く): 6667953

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20021, 60063, 220231, 380399, 660693, 1141197, 4184389, 12553167]

約数ペア:

[(1, 12553167), (3, 4184389), (11, 1141197), (19, 660693), (33, 380399), (57, 220231), (209, 60063), (627, 20021)]