20211003

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 30947280

約数和(自身を除く): 10736277

約数列:

[1, 3, 9, 19, 57, 171, 181, 543, 653, 1629, 1959, 3439, 5877, 10317, 12407, 30951, 37221, 111663, 118193, 354579, 1063737, 2245667, 6737001, 20211003]

約数ペア:

[(1, 20211003), (3, 6737001), (9, 2245667), (19, 1063737), (57, 354579), (171, 118193), (181, 111663), (543, 37221), (653, 30951), (1629, 12407), (1959, 10317), (3439, 5877)]