81947844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{206939}}^1$

素因数の和:206960

約数の個数: 36

約数和(自身を含む): 225978480

約数和(自身を除く): 144030636

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 206939, 413878, 620817, 827756, 1241634, 1862451, 2276329, 2483268, 3724902, 4552658, 6828987, 7449804, 9105316, 13657974, 20486961, 27315948, 40973922, 81947844]

約数ペア:

[(1, 81947844), (2, 40973922), (3, 27315948), (4, 20486961), (6, 13657974), (9, 9105316), (11, 7449804), (12, 6828987), (18, 4552658), (22, 3724902), (33, 2483268), (36, 2276329), (44, 1862451), (66, 1241634), (99, 827756), (132, 620817), (198, 413878), (396, 206939)]