7990905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 14103936

約数和(自身を除く): 6113031

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 953, 1677, 2795, 2859, 4765, 8385, 12389, 14295, 37167, 40979, 61945, 122937, 185835, 204895, 532727, 614685, 1598181, 2663635, 7990905]

約数ペア:

[(1, 7990905), (3, 2663635), (5, 1598181), (13, 614685), (15, 532727), (39, 204895), (43, 185835), (65, 122937), (129, 61945), (195, 40979), (215, 37167), (559, 14295), (645, 12389), (953, 8385), (1677, 4765), (2795, 2859)]