1328397

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2179008

約数和(自身を除く): 850611

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 3111, 3721, 7259, 11163, 21777, 26047, 63257, 78141, 189771, 442799, 1328397]

約数ペア:

[(1, 1328397), (3, 442799), (7, 189771), (17, 78141), (21, 63257), (51, 26047), (61, 21777), (119, 11163), (183, 7259), (357, 3721), (427, 3111), (1037, 1281)]