289349739

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5261}}^1$

素因数の和:5377

約数の個数: 40

約数和(自身を含む): 499174368

約数和(自身を除く): 209824629

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 567, 679, 873, 2037, 2619, 5261, 6111, 7857, 15783, 18333, 36827, 47349, 54999, 110481, 142047, 331443, 426141, 510317, 994329, 1530951, 2982987, 3572219, 4592853, 10716657, 13778559, 32149971, 41335677, 96449913, 289349739]

約数ペア:

[(1, 289349739), (3, 96449913), (7, 41335677), (9, 32149971), (21, 13778559), (27, 10716657), (63, 4592853), (81, 3572219), (97, 2982987), (189, 1530951), (291, 994329), (567, 510317), (679, 426141), (873, 331443), (2037, 142047), (2619, 110481), (5261, 54999), (6111, 47349), (7857, 36827), (15783, 18333)]