1668192975

素因数分解:

$3^4\times 5^2\times {\mathrm{823799}}^1$

素因数の和:823821

約数の個数: 30

約数和(自身を含む): 3090073800

約数和(自身を除く): 1421880825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 823799, 2471397, 4118995, 7414191, 12356985, 20594975, 22242573, 37070955, 61784925, 66727719, 111212865, 185354775, 333638595, 556064325, 1668192975]

約数ペア:

[(1, 1668192975), (3, 556064325), (5, 333638595), (9, 185354775), (15, 111212865), (25, 66727719), (27, 61784925), (45, 37070955), (75, 22242573), (81, 20594975), (135, 12356985), (225, 7414191), (405, 4118995), (675, 2471397), (2025, 823799)]