208036215

素因数分解:

$3^3\times 5^1\times {\mathrm{1541009}}^1$

素因数の和:1541023

約数の個数: 16

約数和(自身を含む): 369842400

約数和(自身を除く): 161806185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1541009, 4623027, 7705045, 13869081, 23115135, 41607243, 69345405, 208036215]

約数ペア:

[(1, 208036215), (3, 69345405), (5, 41607243), (9, 23115135), (15, 13869081), (27, 7705045), (45, 4623027), (135, 1541009)]