55971981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1193}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 87357816

約数和(自身を除く): 31385835

約数列:

[1, 3, 9, 13, 39, 117, 401, 1193, 1203, 3579, 3609, 5213, 10737, 15509, 15639, 46527, 46917, 139581, 478393, 1435179, 4305537, 6219109, 18657327, 55971981]

約数ペア:

[(1, 55971981), (3, 18657327), (9, 6219109), (13, 4305537), (39, 1435179), (117, 478393), (401, 139581), (1193, 46917), (1203, 46527), (3579, 15639), (3609, 15509), (5213, 10737)]