18135171

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3067}}^1$

素因数の和:3152

約数の個数: 20

約数和(自身を含む): 27470872

約数和(自身を除く): 9335701

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3067, 5913, 9201, 27603, 82809, 223891, 248427, 671673, 2015019, 6045057, 18135171]

約数ペア:

[(1, 18135171), (3, 6045057), (9, 2015019), (27, 671673), (73, 248427), (81, 223891), (219, 82809), (657, 27603), (1971, 9201), (3067, 5913)]