27942831

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6247}}^1$

素因数の和:6331

約数の個数: 24

約数和(自身を含む): 46785024

約数和(自身を除く): 18842193

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6247, 18741, 43729, 56223, 131187, 393561, 443537, 1330611, 3104759, 3991833, 9314277, 27942831]

約数ペア:

[(1, 27942831), (3, 9314277), (7, 3991833), (9, 3104759), (21, 1330611), (63, 443537), (71, 393561), (213, 131187), (497, 56223), (639, 43729), (1491, 18741), (4473, 6247)]