2784621

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 4550880

約数和(自身を除く): 1766259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 997, 2793, 2991, 6979, 18943, 20937, 48853, 56829, 132601, 146559, 397803, 928207, 2784621]

約数ペア:

[(1, 2784621), (3, 928207), (7, 397803), (19, 146559), (21, 132601), (49, 56829), (57, 48853), (133, 20937), (147, 18943), (399, 6979), (931, 2991), (997, 2793)]