27821817

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 44341440

約数和(自身を除く): 16519623

約数列:

[1, 3, 9, 29, 37, 43, 67, 87, 111, 129, 201, 261, 333, 387, 603, 1073, 1247, 1591, 1943, 2479, 2881, 3219, 3741, 4773, 5829, 7437, 8643, 9657, 11223, 14319, 17487, 22311, 25929, 46139, 71891, 83549, 106597, 138417, 215673, 250647, 319791, 415251, 647019, 751941, 959373, 3091313, 9273939, 27821817]

約数ペア:

[(1, 27821817), (3, 9273939), (9, 3091313), (29, 959373), (37, 751941), (43, 647019), (67, 415251), (87, 319791), (111, 250647), (129, 215673), (201, 138417), (261, 106597), (333, 83549), (387, 71891), (603, 46139), (1073, 25929), (1247, 22311), (1591, 17487), (1943, 14319), (2479, 11223), (2881, 9657), (3219, 8643), (3741, 7437), (4773, 5829)]