7281921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3036

約数の個数: 16

約数和(自身を含む): 10461440

約数和(自身を除く): 3179519

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 2971, 8913, 56449, 127753, 169347, 383259, 2427307, 7281921]

約数ペア:

[(1, 7281921), (3, 2427307), (19, 383259), (43, 169347), (57, 127753), (129, 56449), (817, 8913), (2451, 2971)]