31486431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 15385569

約数列:

[1, 3, 17, 29, 51, 61, 87, 183, 349, 493, 1037, 1047, 1479, 1769, 3111, 5307, 5933, 10121, 17799, 21289, 30073, 30363, 63867, 90219, 172057, 361913, 516171, 617381, 1085739, 1852143, 10495477, 31486431]

約数ペア:

[(1, 31486431), (3, 10495477), (17, 1852143), (29, 1085739), (51, 617381), (61, 516171), (87, 361913), (183, 172057), (349, 90219), (493, 63867), (1037, 30363), (1047, 30073), (1479, 21289), (1769, 17799), (3111, 10121), (5307, 5933)]