274991997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{3571}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 443499520

約数和(自身を除く): 168507523

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 3571, 3667, 4053, 10713, 11001, 24997, 25669, 67849, 74991, 77007, 203547, 474943, 689203, 1424829, 2067609, 4824421, 13094857, 14473263, 39284571, 91663999, 274991997]

約数ペア:

[(1, 274991997), (3, 91663999), (7, 39284571), (19, 14473263), (21, 13094857), (57, 4824421), (133, 2067609), (193, 1424829), (399, 689203), (579, 474943), (1351, 203547), (3571, 77007), (3667, 74991), (4053, 67849), (10713, 25669), (11001, 24997)]