28048005

素因数分解:

$3^3\times 5^1\times {\mathrm{207763}}^1$

素因数の和:207777

約数の個数: 16

約数和(自身を含む): 49863360

約数和(自身を除く): 21815355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207763, 623289, 1038815, 1869867, 3116445, 5609601, 9349335, 28048005]

約数ペア:

[(1, 28048005), (3, 9349335), (5, 5609601), (9, 3116445), (15, 1869867), (27, 1038815), (45, 623289), (135, 207763)]