1902161781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{228983}}^1$

素因数の和:229073

約数の個数: 24

約数和(自身を含む): 3000606336

約数和(自身を除く): 1098444555

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 228983, 686949, 2060847, 2976779, 8930337, 16257793, 26791011, 48773379, 146320137, 211351309, 634053927, 1902161781]

約数ペア:

[(1, 1902161781), (3, 634053927), (9, 211351309), (13, 146320137), (39, 48773379), (71, 26791011), (117, 16257793), (213, 8930337), (639, 2976779), (923, 2060847), (2769, 686949), (8307, 228983)]