648889371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1049}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 1073217600

約数和(自身を除く): 424328229

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 311, 663, 933, 1049, 1989, 2799, 3147, 4043, 5287, 9441, 12129, 13637, 15861, 17833, 36387, 40911, 47583, 53499, 68731, 122733, 160497, 206193, 231829, 326239, 618579, 695487, 978717, 2086461, 2936151, 4241107, 5546063, 12723321, 16638189, 38169963, 49914567, 72098819, 216296457, 648889371]

約数ペア:

[(1, 648889371), (3, 216296457), (9, 72098819), (13, 49914567), (17, 38169963), (39, 16638189), (51, 12723321), (117, 5546063), (153, 4241107), (221, 2936151), (311, 2086461), (663, 978717), (933, 695487), (1049, 618579), (1989, 326239), (2799, 231829), (3147, 206193), (4043, 160497), (5287, 122733), (9441, 68731), (12129, 53499), (13637, 47583), (15861, 40911), (17833, 36387)]