28697571

素因数分解:

$3^5\times 7^1\times {\mathrm{16871}}^1$

素因数の和:16893

約数の個数: 24

約数和(自身を含む): 49131264

約数和(自身を除く): 20433693

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16871, 50613, 118097, 151839, 354291, 455517, 1062873, 1366551, 3188619, 4099653, 9565857, 28697571]

約数ペア:

[(1, 28697571), (3, 9565857), (7, 4099653), (9, 3188619), (21, 1366551), (27, 1062873), (63, 455517), (81, 354291), (189, 151839), (243, 118097), (567, 50613), (1701, 16871)]