17939502045

素因数分解:

$3^2\times 5^1\times {\mathrm{398655601}}^1$

素因数の和:398655612

約数の個数: 12

約数和(自身を含む): 31095136956

約数和(自身を除く): 13155634911

約数列:

[1, 3, 5, 9, 15, 45, 398655601, 1195966803, 1993278005, 3587900409, 5979834015, 17939502045]

約数ペア:

[(1, 17939502045), (3, 5979834015), (5, 3587900409), (9, 1993278005), (15, 1195966803), (45, 398655601)]