28874097

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4129}}^1$

素因数の和:4182

約数の個数: 32

約数和(自身を含む): 50220800

約数和(自身を除く): 21346703

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 4129, 6993, 12387, 28903, 37161, 86709, 111483, 152773, 260127, 458319, 780381, 1069411, 1374957, 3208233, 4124871, 9624699, 28874097]

約数ペア:

[(1, 28874097), (3, 9624699), (7, 4124871), (9, 3208233), (21, 1374957), (27, 1069411), (37, 780381), (63, 458319), (111, 260127), (189, 152773), (259, 111483), (333, 86709), (777, 37161), (999, 28903), (2331, 12387), (4129, 6993)]