7312929

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 3976671

約数列:

[1, 3, 13, 19, 39, 57, 71, 139, 213, 247, 417, 741, 923, 1349, 1807, 2641, 2769, 4047, 5421, 7923, 9869, 17537, 29607, 34333, 52611, 102999, 128297, 187511, 384891, 562533, 2437643, 7312929]

約数ペア:

[(1, 7312929), (3, 2437643), (13, 562533), (19, 384891), (39, 187511), (57, 128297), (71, 102999), (139, 52611), (213, 34333), (247, 29607), (417, 17537), (741, 9869), (923, 7923), (1349, 5421), (1807, 4047), (2641, 2769)]