207919953

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 319149600

約数和(自身を除く): 111229647

約数列:

[1, 3, 9, 27, 59, 81, 139, 177, 313, 417, 531, 939, 1251, 1593, 2817, 3753, 4779, 8201, 8451, 11259, 18467, 24603, 25353, 43507, 55401, 73809, 130521, 166203, 221427, 391563, 498609, 664281, 1174689, 1495827, 2566913, 3524067, 7700739, 23102217, 69306651, 207919953]

約数ペア:

[(1, 207919953), (3, 69306651), (9, 23102217), (27, 7700739), (59, 3524067), (81, 2566913), (139, 1495827), (177, 1174689), (313, 664281), (417, 498609), (531, 391563), (939, 221427), (1251, 166203), (1593, 130521), (2817, 73809), (3753, 55401), (4779, 43507), (8201, 25353), (8451, 24603), (11259, 18467)]