81849042

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 80

約数和(自身を含む): 208878912

約数和(自身を除く): 127029870

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 81, 99, 138, 162, 198, 207, 253, 297, 414, 506, 594, 621, 759, 891, 1242, 1518, 1782, 1863, 1997, 2277, 3726, 3994, 4554, 5991, 6831, 11982, 13662, 17973, 20493, 21967, 35946, 40986, 43934, 45931, 53919, 65901, 91862, 107838, 131802, 137793, 161757, 197703, 275586, 323514, 395406, 413379, 505241, 593109, 826758, 1010482, 1186218, 1240137, 1515723, 1779327, 2480274, 3031446, 3558654, 3720411, 4547169, 7440822, 9094338, 13641507, 27283014, 40924521, 81849042]

約数ペア:

[(1, 81849042), (2, 40924521), (3, 27283014), (6, 13641507), (9, 9094338), (11, 7440822), (18, 4547169), (22, 3720411), (23, 3558654), (27, 3031446), (33, 2480274), (46, 1779327), (54, 1515723), (66, 1240137), (69, 1186218), (81, 1010482), (99, 826758), (138, 593109), (162, 505241), (198, 413379), (207, 395406), (253, 323514), (297, 275586), (414, 197703), (506, 161757), (594, 137793), (621, 131802), (759, 107838), (891, 91862), (1242, 65901), (1518, 53919), (1782, 45931), (1863, 43934), (1997, 40986), (2277, 35946), (3726, 21967), (3994, 20493), (4554, 17973), (5991, 13662), (6831, 11982)]