81445986

素因数分解:

$2^1\times 3^4\times {\mathrm{251}}^1\times {\mathrm{2003}}^1$

素因数の和:2268

約数の個数: 40

約数和(自身を含む): 183317904

約数和(自身を除く): 101871918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 251, 502, 753, 1506, 2003, 2259, 4006, 4518, 6009, 6777, 12018, 13554, 18027, 20331, 36054, 40662, 54081, 108162, 162243, 324486, 502753, 1005506, 1508259, 3016518, 4524777, 9049554, 13574331, 27148662, 40722993, 81445986]

約数ペア:

[(1, 81445986), (2, 40722993), (3, 27148662), (6, 13574331), (9, 9049554), (18, 4524777), (27, 3016518), (54, 1508259), (81, 1005506), (162, 502753), (251, 324486), (502, 162243), (753, 108162), (1506, 54081), (2003, 40662), (2259, 36054), (4006, 20331), (4518, 18027), (6009, 13554), (6777, 12018)]