1161321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3253}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 1874304

約数和(自身を除く): 712983

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 3253, 9759, 22771, 55301, 68313, 165903, 387107, 1161321]

約数ペア:

[(1, 1161321), (3, 387107), (7, 165903), (17, 68313), (21, 55301), (51, 22771), (119, 9759), (357, 3253)]