728966745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28979}}^1$

素因数の和:29046

約数の個数: 48

約数和(自身を含む): 1392431040

約数和(自身を除く): 663464295

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 2795, 5031, 8385, 25155, 28979, 86937, 144895, 260811, 376727, 434685, 1130181, 1246097, 1304055, 1883635, 3390543, 3738291, 5650905, 6230485, 11214873, 16199261, 16952715, 18691455, 48597783, 56074365, 80996305, 145793349, 242988915, 728966745]

約数ペア:

[(1, 728966745), (3, 242988915), (5, 145793349), (9, 80996305), (13, 56074365), (15, 48597783), (39, 18691455), (43, 16952715), (45, 16199261), (65, 11214873), (117, 6230485), (129, 5650905), (195, 3738291), (215, 3390543), (387, 1883635), (559, 1304055), (585, 1246097), (645, 1130181), (1677, 434685), (1935, 376727), (2795, 260811), (5031, 144895), (8385, 86937), (25155, 28979)]