528687

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 810216

約数和(自身を除く): 281529

約数列:

[1, 3, 9, 27, 61, 81, 107, 183, 321, 549, 963, 1647, 2889, 4941, 6527, 8667, 19581, 58743, 176229, 528687]

約数ペア:

[(1, 528687), (3, 176229), (9, 58743), (27, 19581), (61, 8667), (81, 6527), (107, 4941), (183, 2889), (321, 1647), (549, 963)]