81470799

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 123840000

約数和(自身を除く): 42369201

約数列:

[1, 3, 9, 27, 59, 177, 199, 257, 531, 597, 771, 1593, 1791, 2313, 5373, 6939, 11741, 15163, 35223, 45489, 51143, 105669, 136467, 153429, 317007, 409401, 460287, 1380861, 3017437, 9052311, 27156933, 81470799]

約数ペア:

[(1, 81470799), (3, 27156933), (9, 9052311), (27, 3017437), (59, 1380861), (177, 460287), (199, 409401), (257, 317007), (531, 153429), (597, 136467), (771, 105669), (1593, 51143), (1791, 45489), (2313, 35223), (5373, 15163), (6939, 11741)]