168319215

素因数分解:

$3^4\times 5^1\times {\mathrm{415603}}^1$

素因数の和:415620

約数の個数: 20

約数和(自身を含む): 301728504

約数和(自身を除く): 133409289

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 415603, 1246809, 2078015, 3740427, 6234045, 11221281, 18702135, 33663843, 56106405, 168319215]

約数ペア:

[(1, 168319215), (3, 56106405), (5, 33663843), (9, 18702135), (15, 11221281), (27, 6234045), (45, 3740427), (81, 2078015), (135, 1246809), (405, 415603)]