31321161

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{5297}}^1$

素因数の和:5382

約数の個数: 20

約数和(自身を含む): 47438292

約数和(自身を除く): 16117131

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5297, 5913, 15891, 47673, 143019, 386681, 429057, 1160043, 3480129, 10440387, 31321161]

約数ペア:

[(1, 31321161), (3, 10440387), (9, 3480129), (27, 1160043), (73, 429057), (81, 386681), (219, 143019), (657, 47673), (1971, 15891), (5297, 5913)]