218367040995

素因数分解:

$3^4\times 5^1\times {\mathrm{539177879}}^1$

素因数の和:539177896

約数の個数: 20

約数和(自身を含む): 391443140880

約数和(自身を除く): 173076099885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 539177879, 1617533637, 2695889395, 4852600911, 8087668185, 14557802733, 24263004555, 43673408199, 72789013665, 218367040995]

約数ペア:

[(1, 218367040995), (3, 72789013665), (5, 43673408199), (9, 24263004555), (15, 14557802733), (27, 8087668185), (45, 4852600911), (81, 2695889395), (135, 1617533637), (405, 539177879)]