57215421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 93000960

約数和(自身を除く): 35785539

約数列:

[1, 3, 9, 17, 23, 51, 69, 71, 153, 207, 213, 229, 391, 639, 687, 1173, 1207, 1633, 2061, 3519, 3621, 3893, 4899, 5267, 10863, 11679, 14697, 15801, 16259, 27761, 35037, 47403, 48777, 83283, 89539, 146331, 249849, 268617, 276403, 373957, 805851, 829209, 1121871, 2487627, 3365613, 6357269, 19071807, 57215421]

約数ペア:

[(1, 57215421), (3, 19071807), (9, 6357269), (17, 3365613), (23, 2487627), (51, 1121871), (69, 829209), (71, 805851), (153, 373957), (207, 276403), (213, 268617), (229, 249849), (391, 146331), (639, 89539), (687, 83283), (1173, 48777), (1207, 47403), (1633, 35037), (2061, 27761), (3519, 16259), (3621, 15801), (3893, 14697), (4899, 11679), (5267, 10863)]