28664955

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 27783045

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 97, 99, 135, 165, 199, 291, 297, 485, 495, 597, 873, 995, 1067, 1455, 1485, 1791, 2189, 2619, 2985, 3201, 4365, 5335, 5373, 6567, 8955, 9603, 10945, 13095, 16005, 19303, 19701, 26865, 28809, 32835, 48015, 57909, 59103, 96515, 98505, 144045, 173727, 212333, 289545, 295515, 521181, 636999, 868635, 1061665, 1910997, 2605905, 3184995, 5732991, 9554985, 28664955]

約数ペア:

[(1, 28664955), (3, 9554985), (5, 5732991), (9, 3184995), (11, 2605905), (15, 1910997), (27, 1061665), (33, 868635), (45, 636999), (55, 521181), (97, 295515), (99, 289545), (135, 212333), (165, 173727), (199, 144045), (291, 98505), (297, 96515), (485, 59103), (495, 57909), (597, 48015), (873, 32835), (995, 28809), (1067, 26865), (1455, 19701), (1485, 19303), (1791, 16005), (2189, 13095), (2619, 10945), (2985, 9603), (3201, 8955), (4365, 6567), (5335, 5373)]