897051883

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2999}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 1169280000

約数和(自身を除く): 272228117

約数列:

[1, 7, 13, 19, 91, 133, 173, 247, 1211, 1729, 2249, 2999, 3287, 15743, 20993, 23009, 38987, 42731, 56981, 272909, 299117, 398867, 518827, 740753, 3631789, 5185271, 6744751, 9857713, 47213257, 69003991, 128150269, 897051883]

約数ペア:

[(1, 897051883), (7, 128150269), (13, 69003991), (19, 47213257), (91, 9857713), (133, 6744751), (173, 5185271), (247, 3631789), (1211, 740753), (1729, 518827), (2249, 398867), (2999, 299117), (3287, 272909), (15743, 56981), (20993, 42731), (23009, 38987)]