280904841

素因数分解:

$3^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 491212800

約数和(自身を除く): 210307959

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 243, 311, 413, 531, 567, 729, 933, 1239, 1593, 1701, 2177, 2187, 2799, 3717, 4779, 5103, 6531, 8397, 11151, 14337, 15309, 18349, 19593, 25191, 33453, 43011, 55047, 58779, 75573, 100359, 128443, 129033, 165141, 176337, 226719, 301077, 385329, 495423, 529011, 680157, 903231, 1155987, 1486269, 1587033, 3467961, 4458807, 4761099, 10403883, 13376421, 31211649, 40129263, 93634947, 280904841]

約数ペア:

[(1, 280904841), (3, 93634947), (7, 40129263), (9, 31211649), (21, 13376421), (27, 10403883), (59, 4761099), (63, 4458807), (81, 3467961), (177, 1587033), (189, 1486269), (243, 1155987), (311, 903231), (413, 680157), (531, 529011), (567, 495423), (729, 385329), (933, 301077), (1239, 226719), (1593, 176337), (1701, 165141), (2177, 129033), (2187, 128443), (2799, 100359), (3717, 75573), (4779, 58779), (5103, 55047), (6531, 43011), (8397, 33453), (11151, 25191), (14337, 19593), (15309, 18349)]