268510221

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12799}}^1$

素因数の和:12855

約数の個数: 40

約数和(自身を含む): 470835200

約数和(自身を除く): 202324979

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 12799, 20979, 38397, 89593, 115191, 268779, 345573, 473563, 806337, 1036719, 1420689, 2419011, 3314941, 4262067, 7257033, 9944823, 12786201, 29834469, 38358603, 89503407, 268510221]

約数ペア:

[(1, 268510221), (3, 89503407), (7, 38358603), (9, 29834469), (21, 12786201), (27, 9944823), (37, 7257033), (63, 4262067), (81, 3314941), (111, 2419011), (189, 1420689), (259, 1036719), (333, 806337), (567, 473563), (777, 345573), (999, 268779), (2331, 115191), (2997, 89593), (6993, 38397), (12799, 20979)]