28952019

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 44767040

約数和(自身を除く): 15815021

約数列:

[1, 3, 9, 27, 37, 73, 111, 219, 333, 397, 657, 999, 1191, 1971, 2701, 3573, 8103, 10719, 14689, 24309, 28981, 44067, 72927, 86943, 132201, 260829, 396603, 782487, 1072297, 3216891, 9650673, 28952019]

約数ペア:

[(1, 28952019), (3, 9650673), (9, 3216891), (27, 1072297), (37, 782487), (73, 396603), (111, 260829), (219, 132201), (333, 86943), (397, 72927), (657, 44067), (999, 28981), (1191, 24309), (1971, 14689), (2701, 10719), (3573, 8103)]