16719993

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 26640000

約数和(自身を除く): 9920007

約数列:

[1, 3, 9, 17, 27, 51, 73, 153, 219, 459, 499, 657, 1241, 1497, 1971, 3723, 4491, 8483, 11169, 13473, 25449, 33507, 36427, 76347, 109281, 229041, 327843, 619259, 983529, 1857777, 5573331, 16719993]

約数ペア:

[(1, 16719993), (3, 5573331), (9, 1857777), (17, 983529), (27, 619259), (51, 327843), (73, 229041), (153, 109281), (219, 76347), (459, 36427), (499, 33507), (657, 25449), (1241, 13473), (1497, 11169), (1971, 8483), (3723, 4491)]