1921168921

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 2401259520

約数和(自身を除く): 480090599

約数列:

[1, 7, 31, 43, 49, 67, 217, 301, 439, 469, 1333, 1519, 2077, 2107, 2881, 3073, 3283, 9331, 13609, 14539, 18877, 20167, 21511, 29413, 65317, 89311, 95263, 101773, 132139, 141169, 205891, 585187, 625177, 666841, 911803, 924973, 1264759, 1441237, 4096309, 4376239, 6382621, 8853313, 28674163, 39207529, 44678347, 61973191, 274452703, 1921168921]

約数ペア:

[(1, 1921168921), (7, 274452703), (31, 61973191), (43, 44678347), (49, 39207529), (67, 28674163), (217, 8853313), (301, 6382621), (439, 4376239), (469, 4096309), (1333, 1441237), (1519, 1264759), (2077, 924973), (2107, 911803), (2881, 666841), (3073, 625177), (3283, 585187), (9331, 205891), (13609, 141169), (14539, 132139), (18877, 101773), (20167, 95263), (21511, 89311), (29413, 65317)]