15905313

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 23872992

約数和(自身を除く): 7967679

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 563, 657, 1689, 3139, 5067, 9417, 24209, 28251, 41099, 72627, 123297, 217881, 369891, 1767257, 5301771, 15905313]

約数ペア:

[(1, 15905313), (3, 5301771), (9, 1767257), (43, 369891), (73, 217881), (129, 123297), (219, 72627), (387, 41099), (563, 28251), (657, 24209), (1689, 9417), (3139, 5067)]