18289071

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9852

約数の個数: 20

約数和(自身を含む): 28511472

約数和(自身を除く): 10222401

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9817, 29451, 88353, 225791, 265059, 677373, 795177, 2032119, 6096357, 18289071]

約数ペア:

[(1, 18289071), (3, 6096357), (9, 2032119), (23, 795177), (27, 677373), (69, 265059), (81, 225791), (207, 88353), (621, 29451), (1863, 9817)]