7071381

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1382

約数の個数: 20

約数和(自身を含む): 10729312

約数和(自身を除く): 3657931

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1303, 1809, 3909, 5427, 11727, 35181, 87301, 105543, 261903, 785709, 2357127, 7071381]

約数ペア:

[(1, 7071381), (3, 2357127), (9, 785709), (27, 261903), (67, 105543), (81, 87301), (201, 35181), (603, 11727), (1303, 5427), (1809, 3909)]