31343403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 23814357

約数列:

[1, 3, 7, 13, 21, 29, 37, 39, 87, 91, 107, 111, 203, 259, 273, 321, 377, 481, 609, 749, 777, 1073, 1131, 1391, 1443, 2247, 2639, 3103, 3219, 3367, 3959, 4173, 7511, 7917, 9309, 9737, 10101, 11877, 13949, 21721, 22533, 27713, 29211, 40339, 41847, 51467, 65163, 83139, 97643, 114811, 121017, 154401, 282373, 292929, 344433, 360269, 803677, 847119, 1080807, 1492543, 2411031, 4477629, 10447801, 31343403]

約数ペア:

[(1, 31343403), (3, 10447801), (7, 4477629), (13, 2411031), (21, 1492543), (29, 1080807), (37, 847119), (39, 803677), (87, 360269), (91, 344433), (107, 292929), (111, 282373), (203, 154401), (259, 121017), (273, 114811), (321, 97643), (377, 83139), (481, 65163), (609, 51467), (749, 41847), (777, 40339), (1073, 29211), (1131, 27713), (1391, 22533), (1443, 21721), (2247, 13949), (2639, 11877), (3103, 10101), (3219, 9737), (3367, 9309), (3959, 7917), (4173, 7511)]