28109862

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 41931738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 999, 1221, 1279, 1998, 2442, 2558, 3663, 3837, 7326, 7674, 10989, 11511, 14069, 21978, 23022, 28138, 34533, 42207, 47323, 69066, 84414, 94646, 126621, 141969, 253242, 283938, 379863, 425907, 520553, 759726, 851814, 1041106, 1277721, 1561659, 2555442, 3123318, 4684977, 9369954, 14054931, 28109862]

約数ペア:

[(1, 28109862), (2, 14054931), (3, 9369954), (6, 4684977), (9, 3123318), (11, 2555442), (18, 1561659), (22, 1277721), (27, 1041106), (33, 851814), (37, 759726), (54, 520553), (66, 425907), (74, 379863), (99, 283938), (111, 253242), (198, 141969), (222, 126621), (297, 94646), (333, 84414), (407, 69066), (594, 47323), (666, 42207), (814, 34533), (999, 28138), (1221, 23022), (1279, 21978), (1998, 14069), (2442, 11511), (2558, 10989), (3663, 7674), (3837, 7326)]