31890243

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138053}}^1$

素因数の和:138074

約数の個数: 16

約数和(自身を含む): 53012736

約数和(自身を除く): 21122493

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 138053, 414159, 966371, 1518583, 2899113, 4555749, 10630081, 31890243]

約数ペア:

[(1, 31890243), (3, 10630081), (7, 4555749), (11, 2899113), (21, 1518583), (33, 966371), (77, 414159), (231, 138053)]