580689

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 20

約数和(自身を含む): 888624

約数和(自身を除く): 307935

約数列:

[1, 3, 9, 27, 67, 81, 107, 201, 321, 603, 963, 1809, 2889, 5427, 7169, 8667, 21507, 64521, 193563, 580689]

約数ペア:

[(1, 580689), (3, 193563), (9, 64521), (27, 21507), (67, 8667), (81, 7169), (107, 5427), (201, 2889), (321, 1809), (603, 963)]