2021406435

素因数分解:

$3^5\times 5^1\times {\mathrm{1663709}}^1$

素因数の和:1663729

約数の個数: 24

約数和(自身を含む): 3633542640

約数和(自身を除く): 1612136205

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1663709, 4991127, 8318545, 14973381, 24955635, 44920143, 74866905, 134760429, 224600715, 404281287, 673802145, 2021406435]

約数ペア:

[(1, 2021406435), (3, 673802145), (5, 404281287), (9, 224600715), (15, 134760429), (27, 74866905), (45, 44920143), (81, 24955635), (135, 14973381), (243, 8318545), (405, 4991127), (1215, 1663709)]