720888927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{1489}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 1112279040

約数和(自身を除く): 391390113

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 863, 1489, 2589, 4467, 9493, 14671, 16379, 25313, 28479, 44013, 49137, 75939, 161381, 278443, 484143, 835329, 1285007, 3855021, 14135077, 21845119, 42405231, 65535357, 240296309, 720888927]

約数ペア:

[(1, 720888927), (3, 240296309), (11, 65535357), (17, 42405231), (33, 21845119), (51, 14135077), (187, 3855021), (561, 1285007), (863, 835329), (1489, 484143), (2589, 278443), (4467, 161381), (9493, 75939), (14671, 49137), (16379, 44013), (25313, 28479)]