28205121015

素因数分解:

$3^2\times 5^1\times {\mathrm{626780467}}^1$

素因数の和:626780478

約数の個数: 12

約数和(自身を含む): 48888876504

約数和(自身を除く): 20683755489

約数列:

[1, 3, 5, 9, 15, 45, 626780467, 1880341401, 3133902335, 5641024203, 9401707005, 28205121015]

約数ペア:

[(1, 28205121015), (3, 9401707005), (5, 5641024203), (9, 3133902335), (15, 1880341401), (45, 626780467)]