28461969

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{5351}}^1$

素因数の和:5557

約数の個数: 16

約数和(自身を含む): 42387840

約数和(自身を除く): 13925871

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 5351, 16053, 48159, 144477, 1054147, 3162441, 9487323, 28461969]

約数ペア:

[(1, 28461969), (3, 9487323), (9, 3162441), (27, 1054147), (197, 144477), (591, 48159), (1773, 16053), (5319, 5351)]