28045809

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 18903951

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 109, 113, 207, 253, 327, 339, 759, 981, 1017, 1199, 1243, 2277, 2507, 2599, 3597, 3729, 7521, 7797, 10791, 11187, 12317, 22563, 23391, 27577, 28589, 36951, 82731, 85767, 110853, 135487, 248193, 257301, 283291, 406461, 849873, 1219383, 2549619, 3116201, 9348603, 28045809]

約数ペア:

[(1, 28045809), (3, 9348603), (9, 3116201), (11, 2549619), (23, 1219383), (33, 849873), (69, 406461), (99, 283291), (109, 257301), (113, 248193), (207, 135487), (253, 110853), (327, 85767), (339, 82731), (759, 36951), (981, 28589), (1017, 27577), (1199, 23391), (1243, 22563), (2277, 12317), (2507, 11187), (2599, 10791), (3597, 7797), (3729, 7521)]