7924539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19861}}^1$

素因数の和:19890

約数の個数: 16

約数和(自身を含む): 12711680

約数和(自身を除く): 4787141

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19861, 59583, 139027, 377359, 417081, 1132077, 2641513, 7924539]

約数ペア:

[(1, 7924539), (3, 2641513), (7, 1132077), (19, 417081), (21, 377359), (57, 139027), (133, 59583), (399, 19861)]