291299733

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{7207}}^1$

素因数の和:7718

約数の個数: 20

約数和(自身を含む): 436084000

約数和(自身を除く): 144784267

約数列:

[1, 3, 9, 27, 81, 499, 1497, 4491, 7207, 13473, 21621, 40419, 64863, 194589, 583767, 3596293, 10788879, 32366637, 97099911, 291299733]

約数ペア:

[(1, 291299733), (3, 97099911), (9, 32366637), (27, 10788879), (81, 3596293), (499, 583767), (1497, 194589), (4491, 64863), (7207, 40419), (13473, 21621)]