18249489

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 9882351

約数列:

[1, 3, 9, 27, 47, 73, 141, 197, 219, 423, 591, 657, 1269, 1773, 1971, 3431, 5319, 9259, 10293, 14381, 27777, 30879, 43143, 83331, 92637, 129429, 249993, 388287, 675907, 2027721, 6083163, 18249489]

約数ペア:

[(1, 18249489), (3, 6083163), (9, 2027721), (27, 675907), (47, 388287), (73, 249993), (141, 129429), (197, 92637), (219, 83331), (423, 43143), (591, 30879), (657, 27777), (1269, 14381), (1773, 10293), (1971, 9259), (3431, 5319)]