28419687

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55399}}^1$

素因数の和:55427

約数の個数: 16

約数和(自身を含む): 44320000

約数和(自身を除く): 15900313

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55399, 166197, 498591, 1052581, 1495773, 3157743, 9473229, 28419687]

約数ペア:

[(1, 28419687), (3, 9473229), (9, 3157743), (19, 1495773), (27, 1052581), (57, 498591), (171, 166197), (513, 55399)]