320653971

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15647}}^1$

素因数の和:15693

約数の個数: 40

約数和(自身を含む): 545301504

約数和(自身を除く): 224647533

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 891, 1863, 2277, 6831, 15647, 20493, 46941, 140823, 172117, 359881, 422469, 516351, 1079643, 1267407, 1549053, 3238929, 3958691, 4647159, 9716787, 11876073, 13941477, 29150361, 35628219, 106884657, 320653971]

約数ペア:

[(1, 320653971), (3, 106884657), (9, 35628219), (11, 29150361), (23, 13941477), (27, 11876073), (33, 9716787), (69, 4647159), (81, 3958691), (99, 3238929), (207, 1549053), (253, 1267407), (297, 1079643), (621, 516351), (759, 422469), (891, 359881), (1863, 172117), (2277, 140823), (6831, 46941), (15647, 20493)]