720767511

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{13613}}^1$

素因数の和:13712

約数の個数: 32

約数和(自身を含む): 1117437120

約数和(自身を除く): 396669609

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 477, 999, 1431, 1961, 5883, 13613, 17649, 40839, 52947, 122517, 367551, 503681, 721489, 1511043, 2164467, 4533129, 6493401, 13599387, 19480203, 26695093, 80085279, 240255837, 720767511]

約数ペア:

[(1, 720767511), (3, 240255837), (9, 80085279), (27, 26695093), (37, 19480203), (53, 13599387), (111, 6493401), (159, 4533129), (333, 2164467), (477, 1511043), (999, 721489), (1431, 503681), (1961, 367551), (5883, 122517), (13613, 52947), (17649, 40839)]