1261988217

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{7229}}^1$

素因数の和:7422

約数の個数: 48

約数和(自身を含む): 2219667840

約数和(自身を除く): 957679623

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 163, 357, 489, 1071, 1141, 1467, 2771, 3423, 7229, 8313, 10269, 19397, 21687, 24939, 50603, 58191, 65061, 122893, 151809, 174573, 368679, 455427, 860251, 1106037, 1178327, 2580753, 3534981, 7742259, 8248289, 10604943, 20031559, 24744867, 60094677, 74234601, 140220913, 180284031, 420662739, 1261988217]

約数ペア:

[(1, 1261988217), (3, 420662739), (7, 180284031), (9, 140220913), (17, 74234601), (21, 60094677), (51, 24744867), (63, 20031559), (119, 10604943), (153, 8248289), (163, 7742259), (357, 3534981), (489, 2580753), (1071, 1178327), (1141, 1106037), (1467, 860251), (2771, 455427), (3423, 368679), (7229, 174573), (8313, 151809), (10269, 122893), (19397, 65061), (21687, 58191), (24939, 50603)]