28728351

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 46975104

約数和(自身を除く): 18246753

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 673, 837, 1377, 1581, 2019, 2511, 4743, 6057, 11441, 14229, 18171, 20863, 34323, 42687, 54513, 62589, 102969, 187767, 308907, 354671, 563301, 926721, 1064013, 1689903, 3192039, 9576117, 28728351]

約数ペア:

[(1, 28728351), (3, 9576117), (9, 3192039), (17, 1689903), (27, 1064013), (31, 926721), (51, 563301), (81, 354671), (93, 308907), (153, 187767), (279, 102969), (459, 62589), (527, 54513), (673, 42687), (837, 34323), (1377, 20863), (1581, 18171), (2019, 14229), (2511, 11441), (4743, 6057)]