1321677

素因数分解:

$3^6\times 7^2\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 42

約数和(自身を含む): 2367438

約数和(自身を除く): 1045761

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 243, 259, 333, 441, 567, 729, 777, 999, 1323, 1701, 1813, 2331, 2997, 3969, 5103, 5439, 6993, 8991, 11907, 16317, 20979, 26973, 35721, 48951, 62937, 146853, 188811, 440559, 1321677]

約数ペア:

[(1, 1321677), (3, 440559), (7, 188811), (9, 146853), (21, 62937), (27, 48951), (37, 35721), (49, 26973), (63, 20979), (81, 16317), (111, 11907), (147, 8991), (189, 6993), (243, 5439), (259, 5103), (333, 3969), (441, 2997), (567, 2331), (729, 1813), (777, 1701), (999, 1323)]