921569337

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 1580131800

約数和(自身を除く): 658562463

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 169, 221, 261, 377, 493, 507, 663, 1131, 1229, 1479, 1521, 1989, 2873, 3393, 3687, 4437, 4901, 6409, 8619, 11061, 14703, 15977, 19227, 20893, 25857, 35641, 44109, 47931, 57681, 62679, 83317, 106923, 143793, 188037, 207701, 249951, 271609, 320769, 463333, 605897, 623103, 749853, 814827, 1389999, 1817691, 1869309, 2444481, 3530917, 4169997, 5453073, 6023329, 7876661, 10592751, 18069987, 23629983, 31778253, 54209961, 70889949, 102396593, 307189779, 921569337]

約数ペア:

[(1, 921569337), (3, 307189779), (9, 102396593), (13, 70889949), (17, 54209961), (29, 31778253), (39, 23629983), (51, 18069987), (87, 10592751), (117, 7876661), (153, 6023329), (169, 5453073), (221, 4169997), (261, 3530917), (377, 2444481), (493, 1869309), (507, 1817691), (663, 1389999), (1131, 814827), (1229, 749853), (1479, 623103), (1521, 605897), (1989, 463333), (2873, 320769), (3393, 271609), (3687, 249951), (4437, 207701), (4901, 188037), (6409, 143793), (8619, 106923), (11061, 83317), (14703, 62679), (15977, 57681), (19227, 47931), (20893, 44109), (25857, 35641)]