201421215

素因数分解:

$3^3\times 5^1\times {\mathrm{1492009}}^1$

素因数の和:1492023

約数の個数: 16

約数和(自身を含む): 358082400

約数和(自身を除く): 156661185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1492009, 4476027, 7460045, 13428081, 22380135, 40284243, 67140405, 201421215]

約数ペア:

[(1, 201421215), (3, 67140405), (5, 40284243), (9, 22380135), (15, 13428081), (27, 7460045), (45, 4476027), (135, 1492009)]