1989405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4019}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 3762720

約数和(自身を除く): 1773315

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 4019, 12057, 20095, 36171, 44209, 60285, 132627, 180855, 221045, 397881, 663135, 1989405]

約数ペア:

[(1, 1989405), (3, 663135), (5, 397881), (9, 221045), (11, 180855), (15, 132627), (33, 60285), (45, 44209), (55, 36171), (99, 20095), (165, 12057), (495, 4019)]