87992217

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 133436160

約数和(自身を除く): 45443943

約数列:

[1, 3, 9, 27, 71, 197, 213, 233, 591, 639, 699, 1773, 1917, 2097, 5319, 6291, 13987, 16543, 41961, 45901, 49629, 125883, 137703, 148887, 377649, 413109, 446661, 1239327, 3258971, 9776913, 29330739, 87992217]

約数ペア:

[(1, 87992217), (3, 29330739), (9, 9776913), (27, 3258971), (71, 1239327), (197, 446661), (213, 413109), (233, 377649), (591, 148887), (639, 137703), (699, 125883), (1773, 49629), (1917, 45901), (2097, 41961), (5319, 16543), (6291, 13987)]