81420243

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{1277}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 110971296

約数和(自身を除く): 29551053

約数列:

[1, 3, 53, 159, 401, 1203, 1277, 3831, 21253, 63759, 67681, 203043, 512077, 1536231, 27140081, 81420243]

約数ペア:

[(1, 81420243), (3, 27140081), (53, 1536231), (159, 512077), (401, 203043), (1203, 67681), (1277, 63759), (3831, 21253)]