28293573

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 47941632

約数和(自身を除く): 19648059

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2311, 4081, 6933, 12243, 16177, 25421, 48531, 76263, 122483, 177947, 367449, 533841, 857381, 1347313, 2572143, 4041939, 9431191, 28293573]

約数ペア:

[(1, 28293573), (3, 9431191), (7, 4041939), (11, 2572143), (21, 1347313), (33, 857381), (53, 533841), (77, 367449), (159, 177947), (231, 122483), (371, 76263), (583, 48531), (1113, 25421), (1749, 16177), (2311, 12243), (4081, 6933)]