26969103

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 19733553

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 123, 159, 197, 287, 369, 371, 477, 591, 861, 1113, 1379, 1773, 2173, 2583, 3339, 4137, 6519, 8077, 10441, 12411, 15211, 19557, 24231, 31323, 45633, 56539, 72693, 73087, 93969, 136899, 169617, 219261, 428081, 508851, 657783, 1284243, 2996567, 3852729, 8989701, 26969103]

約数ペア:

[(1, 26969103), (3, 8989701), (7, 3852729), (9, 2996567), (21, 1284243), (41, 657783), (53, 508851), (63, 428081), (123, 219261), (159, 169617), (197, 136899), (287, 93969), (369, 73087), (371, 72693), (477, 56539), (591, 45633), (861, 31323), (1113, 24231), (1379, 19557), (1773, 15211), (2173, 12411), (2583, 10441), (3339, 8077), (4137, 6519)]