31024287

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17023

約数の個数: 24

約数和(自身を含む): 52983840

約数和(自身を除く): 21959553

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 16981, 50943, 118867, 152829, 356601, 492449, 1069803, 1477347, 3447143, 4432041, 10341429, 31024287]

約数ペア:

[(1, 31024287), (3, 10341429), (7, 4432041), (9, 3447143), (21, 1477347), (29, 1069803), (63, 492449), (87, 356601), (203, 152829), (261, 118867), (609, 50943), (1827, 16981)]