81628959

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{3967}}^1$

素因数の和:4027

約数の個数: 16

約数和(自身を含む): 114913280

約数和(自身を除く): 33284321

約数列:

[1, 3, 19, 57, 361, 1083, 3967, 6859, 11901, 20577, 75373, 226119, 1432087, 4296261, 27209653, 81628959]

約数ペア:

[(1, 81628959), (3, 27209653), (19, 4296261), (57, 1432087), (361, 226119), (1083, 75373), (3967, 20577), (6859, 11901)]