27920823

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 46817280

約数和(自身を除く): 18896457

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 127, 133, 203, 361, 381, 399, 551, 609, 889, 1083, 1653, 2413, 2527, 2667, 3683, 3857, 7239, 7581, 10469, 11049, 11571, 16891, 25781, 31407, 45847, 50673, 69977, 73283, 77343, 137541, 209931, 219849, 320929, 489839, 962787, 1329563, 1469517, 3988689, 9306941, 27920823]

約数ペア:

[(1, 27920823), (3, 9306941), (7, 3988689), (19, 1469517), (21, 1329563), (29, 962787), (57, 489839), (87, 320929), (127, 219849), (133, 209931), (203, 137541), (361, 77343), (381, 73283), (399, 69977), (551, 50673), (609, 45847), (889, 31407), (1083, 25781), (1653, 16891), (2413, 11571), (2527, 11049), (2667, 10469), (3683, 7581), (3857, 7239)]