12173985

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 21326760

約数和(自身を除く): 9152775

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 2789, 4365, 8367, 13945, 25101, 41835, 125505, 270533, 811599, 1352665, 2434797, 4057995, 12173985]

約数ペア:

[(1, 12173985), (3, 4057995), (5, 2434797), (9, 1352665), (15, 811599), (45, 270533), (97, 125505), (291, 41835), (485, 25101), (873, 13945), (1455, 8367), (2789, 4365)]