55120257

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{1697}}^1$

素因数の和:2110

約数の個数: 20

約数和(自身を含む): 82594116

約数和(自身を除く): 27473859

約数列:

[1, 3, 9, 27, 81, 401, 1203, 1697, 3609, 5091, 10827, 15273, 32481, 45819, 137457, 680497, 2041491, 6124473, 18373419, 55120257]

約数ペア:

[(1, 55120257), (3, 18373419), (9, 6124473), (27, 2041491), (81, 680497), (401, 137457), (1203, 45819), (1697, 32481), (3609, 15273), (5091, 10827)]