31464531

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 54177024

約数和(自身を除く): 22712493

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 263, 567, 633, 789, 1477, 1841, 1899, 2367, 4431, 5523, 5697, 7101, 13293, 16569, 17091, 21303, 39879, 49707, 55493, 119637, 149121, 166479, 388451, 499437, 1165353, 1498311, 3496059, 4494933, 10488177, 31464531]

約数ペア:

[(1, 31464531), (3, 10488177), (7, 4494933), (9, 3496059), (21, 1498311), (27, 1165353), (63, 499437), (81, 388451), (189, 166479), (211, 149121), (263, 119637), (567, 55493), (633, 49707), (789, 39879), (1477, 21303), (1841, 17091), (1899, 16569), (2367, 13293), (4431, 7101), (5523, 5697)]