28183329

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 43097600

約数和(自身を除く): 14914271

約数列:

[1, 3, 9, 27, 73, 79, 181, 219, 237, 543, 657, 711, 1629, 1971, 2133, 4887, 5767, 13213, 14299, 17301, 39639, 42897, 51903, 118917, 128691, 155709, 356751, 386073, 1043827, 3131481, 9394443, 28183329]

約数ペア:

[(1, 28183329), (3, 9394443), (9, 3131481), (27, 1043827), (73, 386073), (79, 356751), (181, 155709), (219, 128691), (237, 118917), (543, 51903), (657, 42897), (711, 39639), (1629, 17301), (1971, 14299), (2133, 13213), (4887, 5767)]