80640045

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5653}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 140241816

約数和(自身を除く): 59601771

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1585, 2853, 4755, 5653, 14265, 16959, 28265, 50877, 84795, 254385, 1792001, 5376003, 8960005, 16128009, 26880015, 80640045]

約数ペア:

[(1, 80640045), (3, 26880015), (5, 16128009), (9, 8960005), (15, 5376003), (45, 1792001), (317, 254385), (951, 84795), (1585, 50877), (2853, 28265), (4755, 16959), (5653, 14265)]