8211021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 14192640

約数和(自身を除く): 5981619

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1583, 1729, 4749, 5187, 11081, 20579, 30077, 33243, 61737, 90231, 144053, 210539, 391001, 432159, 631617, 1173003, 2737007, 8211021]

約数ペア:

[(1, 8211021), (3, 2737007), (7, 1173003), (13, 631617), (19, 432159), (21, 391001), (39, 210539), (57, 144053), (91, 90231), (133, 61737), (247, 33243), (273, 30077), (399, 20579), (741, 11081), (1583, 5187), (1729, 4749)]