1330455987

素因数分解:

$3^2\times 7^2\times {\mathrm{3016907}}^1$

素因数の和:3016927

約数の個数: 18

約数和(自身を含む): 2235528828

約数和(自身を除く): 905072841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 3016907, 9050721, 21118349, 27152163, 63355047, 147828443, 190065141, 443485329, 1330455987]

約数ペア:

[(1, 1330455987), (3, 443485329), (7, 190065141), (9, 147828443), (21, 63355047), (49, 27152163), (63, 21118349), (147, 9050721), (441, 3016907)]