630021

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 1011200

約数和(自身を除く): 381179

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1579, 4737, 11053, 30001, 33159, 90003, 210007, 630021]

約数ペア:

[(1, 630021), (3, 210007), (7, 90003), (19, 33159), (21, 30001), (57, 11053), (133, 4737), (399, 1579)]