81654807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 131281920

約数和(自身を除く): 49627113

約数列:

[1, 3, 13, 23, 29, 39, 43, 69, 73, 87, 129, 219, 299, 377, 559, 667, 897, 949, 989, 1131, 1247, 1677, 1679, 2001, 2117, 2847, 2967, 3139, 3741, 5037, 6351, 8671, 9417, 12857, 16211, 21827, 26013, 27521, 28681, 38571, 40807, 48633, 48691, 65481, 72197, 82563, 86043, 91031, 122421, 146073, 216591, 273093, 372853, 632983, 938561, 1118559, 1183403, 1898949, 2093713, 2815683, 3550209, 6281139, 27218269, 81654807]

約数ペア:

[(1, 81654807), (3, 27218269), (13, 6281139), (23, 3550209), (29, 2815683), (39, 2093713), (43, 1898949), (69, 1183403), (73, 1118559), (87, 938561), (129, 632983), (219, 372853), (299, 273093), (377, 216591), (559, 146073), (667, 122421), (897, 91031), (949, 86043), (989, 82563), (1131, 72197), (1247, 65481), (1677, 48691), (1679, 48633), (2001, 40807), (2117, 38571), (2847, 28681), (2967, 27521), (3139, 26013), (3741, 21827), (5037, 16211), (6351, 12857), (8671, 9417)]