128729103657

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{12721}}^1$

素因数の和:13430

約数の個数: 64

約数和(自身を含む): 217373995008

約数和(自身を除く): 88644891351

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 617, 781, 1491, 1851, 2343, 4319, 5467, 6787, 12721, 12957, 16401, 20361, 38163, 43807, 47509, 89047, 131421, 139931, 142527, 267141, 306649, 419793, 481877, 903191, 919947, 979517, 1445631, 2709573, 2938551, 3373139, 6322337, 7848857, 9935101, 10119417, 18967011, 23546571, 29805303, 54941999, 69545707, 86337427, 164825997, 208637121, 259012281, 557268847, 604361989, 1671806541, 1813085967, 3900881929, 6129957317, 11702645787, 18389871951, 42909701219, 128729103657]

約数ペア:

[(1, 128729103657), (3, 42909701219), (7, 18389871951), (11, 11702645787), (21, 6129957317), (33, 3900881929), (71, 1813085967), (77, 1671806541), (213, 604361989), (231, 557268847), (497, 259012281), (617, 208637121), (781, 164825997), (1491, 86337427), (1851, 69545707), (2343, 54941999), (4319, 29805303), (5467, 23546571), (6787, 18967011), (12721, 10119417), (12957, 9935101), (16401, 7848857), (20361, 6322337), (38163, 3373139), (43807, 2938551), (47509, 2709573), (89047, 1445631), (131421, 979517), (139931, 919947), (142527, 903191), (267141, 481877), (306649, 419793)]