55878147

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 89597760

約数和(自身を除く): 33719613

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 397, 401, 1191, 1203, 3573, 3609, 5161, 5213, 10719, 10827, 15483, 15639, 46449, 46917, 139347, 140751, 159197, 477591, 1432773, 2069561, 4298319, 6208683, 18626049, 55878147]

約数ペア:

[(1, 55878147), (3, 18626049), (9, 6208683), (13, 4298319), (27, 2069561), (39, 1432773), (117, 477591), (351, 159197), (397, 140751), (401, 139347), (1191, 46917), (1203, 46449), (3573, 15639), (3609, 15483), (5161, 10827), (5213, 10719)]