51630561

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 81008640

約数和(自身を除く): 29378079

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 1171, 1633, 1917, 3513, 4899, 10539, 14697, 26933, 31617, 44091, 80799, 83141, 242397, 249423, 727191, 748269, 1912243, 2244807, 5736729, 17210187, 51630561]

約数ペア:

[(1, 51630561), (3, 17210187), (9, 5736729), (23, 2244807), (27, 1912243), (69, 748269), (71, 727191), (207, 249423), (213, 242397), (621, 83141), (639, 80799), (1171, 44091), (1633, 31617), (1917, 26933), (3513, 14697), (4899, 10539)]