28891215

素因数分解:

$3^3\times 5^1\times {\mathrm{214009}}^1$

素因数の和:214023

約数の個数: 16

約数和(自身を含む): 51362400

約数和(自身を除く): 22471185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214009, 642027, 1070045, 1926081, 3210135, 5778243, 9630405, 28891215]

約数ペア:

[(1, 28891215), (3, 9630405), (5, 5778243), (9, 3210135), (15, 1926081), (27, 1070045), (45, 642027), (135, 214009)]