71490027

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179173}}^1$

素因数の和:179202

約数の個数: 16

約数和(自身を含む): 114671360

約数和(自身を除く): 43181333

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 179173, 537519, 1254211, 3404287, 3762633, 10212861, 23830009, 71490027]

約数ペア:

[(1, 71490027), (3, 23830009), (7, 10212861), (19, 3762633), (21, 3404287), (57, 1254211), (133, 537519), (399, 179173)]