40504293

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{7043}}^1$

素因数の和:7126

約数の個数: 20

約数和(自身を含む): 61367328

約数和(自身を除く): 20863035

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 7043, 21129, 63387, 190161, 500053, 570483, 1500159, 4500477, 13501431, 40504293]

約数ペア:

[(1, 40504293), (3, 13501431), (9, 4500477), (27, 1500159), (71, 570483), (81, 500053), (213, 190161), (639, 63387), (1917, 21129), (5751, 7043)]