27139905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2729}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 53660880

約数和(自身を除く): 26520975

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2729, 3315, 8187, 9945, 13645, 24561, 35477, 40935, 46393, 106431, 122805, 139179, 177385, 231965, 319293, 417537, 532155, 603109, 695895, 1596465, 1809327, 2087685, 3015545, 5427981, 9046635, 27139905]

約数ペア:

[(1, 27139905), (3, 9046635), (5, 5427981), (9, 3015545), (13, 2087685), (15, 1809327), (17, 1596465), (39, 695895), (45, 603109), (51, 532155), (65, 417537), (85, 319293), (117, 231965), (153, 177385), (195, 139179), (221, 122805), (255, 106431), (585, 46393), (663, 40935), (765, 35477), (1105, 24561), (1989, 13645), (2729, 9945), (3315, 8187)]