1980255

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1466

約数の個数: 16

約数和(自身を含む): 3203424

約数和(自身を除く): 1223169

約数列:

[1, 3, 5, 15, 97, 291, 485, 1361, 1455, 4083, 6805, 20415, 132017, 396051, 660085, 1980255]

約数ペア:

[(1, 1980255), (3, 660085), (5, 396051), (15, 132017), (97, 20415), (291, 6805), (485, 4083), (1361, 1455)]