28821315

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21589}}^1$

素因数の和:21686

約数の個数: 16

約数和(自身を含む): 46634400

約数和(自身を除く): 17813085

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21589, 64767, 107945, 323835, 1921421, 5764263, 9607105, 28821315]

約数ペア:

[(1, 28821315), (3, 9607105), (5, 5764263), (15, 1921421), (89, 323835), (267, 107945), (445, 64767), (1335, 21589)]