1809275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 2551920

約数和(自身を除く): 742645

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 293, 325, 475, 1235, 1465, 3809, 5567, 6175, 7325, 19045, 27835, 72371, 95225, 139175, 361855, 1809275]

約数ペア:

[(1, 1809275), (5, 361855), (13, 139175), (19, 95225), (25, 72371), (65, 27835), (95, 19045), (247, 7325), (293, 6175), (325, 5567), (475, 3809), (1235, 1465)]