1916613

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 2965248

約数和(自身を除く): 1048635

約数列:

[1, 3, 9, 23, 47, 69, 141, 197, 207, 423, 591, 1081, 1773, 3243, 4531, 9259, 9729, 13593, 27777, 40779, 83331, 212957, 638871, 1916613]

約数ペア:

[(1, 1916613), (3, 638871), (9, 212957), (23, 83331), (47, 40779), (69, 27777), (141, 13593), (197, 9729), (207, 9259), (423, 4531), (591, 3243), (1081, 1773)]