28804797

素因数分解:

$3^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 51269504

約数和(自身を除く): 22464707

約数列:

[1, 3, 7, 9, 21, 31, 43, 49, 63, 93, 129, 147, 217, 279, 301, 343, 387, 441, 651, 903, 1029, 1333, 1519, 1953, 2107, 2401, 2709, 3087, 3999, 4557, 6321, 7203, 9331, 10633, 11997, 13671, 14749, 18963, 21609, 27993, 31899, 44247, 65317, 74431, 83979, 95697, 103243, 132741, 195951, 223293, 309729, 457219, 587853, 669879, 929187, 1371657, 3200533, 4114971, 9601599, 28804797]

約数ペア:

[(1, 28804797), (3, 9601599), (7, 4114971), (9, 3200533), (21, 1371657), (31, 929187), (43, 669879), (49, 587853), (63, 457219), (93, 309729), (129, 223293), (147, 195951), (217, 132741), (279, 103243), (301, 95697), (343, 83979), (387, 74431), (441, 65317), (651, 44247), (903, 31899), (1029, 27993), (1333, 21609), (1519, 18963), (1953, 14749), (2107, 13671), (2401, 11997), (2709, 10633), (3087, 9331), (3999, 7203), (4557, 6321)]