26721543

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6997}}^1$

素因数の和:7086

約数の個数: 16

約数和(自身を含む): 38069120

約数和(自身を除く): 11347577

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 6997, 20991, 132943, 398829, 468799, 1406397, 8907181, 26721543]

約数ペア:

[(1, 26721543), (3, 8907181), (19, 1406397), (57, 468799), (67, 398829), (201, 132943), (1273, 20991), (3819, 6997)]