403760457

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{70207}}^1$

素因数の和:70290

約数の個数: 20

約数和(自身を含む): 611652096

約数和(自身を除く): 207891639

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 70207, 210621, 631863, 1895589, 4984697, 5686767, 14954091, 44862273, 134586819, 403760457]

約数ペア:

[(1, 403760457), (3, 134586819), (9, 44862273), (27, 14954091), (71, 5686767), (81, 4984697), (213, 1895589), (639, 631863), (1917, 210621), (5751, 70207)]