7987581

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6673}}^1$

素因数の和:6705

約数の個数: 24

約数和(自身を含む): 13881920

約数和(自身を除く): 5894339

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 6673, 20019, 46711, 60057, 126787, 140133, 380361, 420399, 887509, 1141083, 2662527, 7987581]

約数ペア:

[(1, 7987581), (3, 2662527), (7, 1141083), (9, 887509), (19, 420399), (21, 380361), (57, 140133), (63, 126787), (133, 60057), (171, 46711), (399, 20019), (1197, 6673)]