278301231

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{792881}}^1$

素因数の和:792903

約数の個数: 16

約数和(自身を含む): 444013920

約数和(自身を除く): 165712689

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 792881, 2378643, 7135929, 10307453, 21407787, 30922359, 92767077, 278301231]

約数ペア:

[(1, 278301231), (3, 92767077), (9, 30922359), (13, 21407787), (27, 10307453), (39, 7135929), (117, 2378643), (351, 792881)]