128055681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2663}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 205873920

約数和(自身を除く): 77818239

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 351, 411, 1233, 1781, 2663, 3699, 5343, 7989, 16029, 23967, 34619, 48087, 71901, 103857, 311571, 364831, 934713, 1094493, 3283479, 4742803, 9850437, 14228409, 42685227, 128055681]

約数ペア:

[(1, 128055681), (3, 42685227), (9, 14228409), (13, 9850437), (27, 4742803), (39, 3283479), (117, 1094493), (137, 934713), (351, 364831), (411, 311571), (1233, 103857), (1781, 71901), (2663, 48087), (3699, 34619), (5343, 23967), (7989, 16029)]