28812159

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 44359680

約数和(自身を除く): 15547521

約数列:

[1, 3, 9, 27, 37, 111, 151, 191, 333, 453, 573, 999, 1359, 1719, 4077, 5157, 5587, 7067, 16761, 21201, 28841, 50283, 63603, 86523, 150849, 190809, 259569, 778707, 1067117, 3201351, 9604053, 28812159]

約数ペア:

[(1, 28812159), (3, 9604053), (9, 3201351), (27, 1067117), (37, 778707), (111, 259569), (151, 190809), (191, 150849), (333, 86523), (453, 63603), (573, 50283), (999, 28841), (1359, 21201), (1719, 16761), (4077, 7067), (5157, 5587)]