1389864963

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 1930199040

約数和(自身を除く): 540334077

約数列:

[1, 3, 43, 83, 129, 249, 271, 479, 813, 1437, 3569, 10707, 11653, 20597, 22493, 34959, 39757, 61791, 67479, 119271, 129809, 389427, 967199, 1709551, 2901597, 5128653, 5581787, 10774147, 16745361, 32322441, 463288321, 1389864963]

約数ペア:

[(1, 1389864963), (3, 463288321), (43, 32322441), (83, 16745361), (129, 10774147), (249, 5581787), (271, 5128653), (479, 2901597), (813, 1709551), (1437, 967199), (3569, 389427), (10707, 129809), (11653, 119271), (20597, 67479), (22493, 61791), (34959, 39757)]