30571779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 49415680

約数和(自身を除く): 18843901

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 397, 399, 579, 1191, 1351, 2779, 3667, 4053, 7543, 8337, 11001, 22629, 25669, 52801, 76621, 77007, 158403, 229863, 536347, 1455799, 1609041, 4367397, 10190593, 30571779]

約数ペア:

[(1, 30571779), (3, 10190593), (7, 4367397), (19, 1609041), (21, 1455799), (57, 536347), (133, 229863), (193, 158403), (397, 77007), (399, 76621), (579, 52801), (1191, 25669), (1351, 22629), (2779, 11001), (3667, 8337), (4053, 7543)]