28346373

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 47623680

約数和(自身を除く): 19277307

約数列:

[1, 3, 9, 11, 23, 33, 59, 69, 99, 177, 207, 211, 253, 531, 633, 649, 759, 1357, 1899, 1947, 2277, 2321, 4071, 4853, 5841, 6963, 12213, 12449, 14559, 14927, 20889, 37347, 43677, 44781, 53383, 112041, 134343, 136939, 160149, 286327, 410817, 480447, 858981, 1232451, 2576943, 3149597, 9448791, 28346373]

約数ペア:

[(1, 28346373), (3, 9448791), (9, 3149597), (11, 2576943), (23, 1232451), (33, 858981), (59, 480447), (69, 410817), (99, 286327), (177, 160149), (207, 136939), (211, 134343), (253, 112041), (531, 53383), (633, 44781), (649, 43677), (759, 37347), (1357, 20889), (1899, 14927), (1947, 14559), (2277, 12449), (2321, 12213), (4071, 6963), (4853, 5841)]