7257981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 10250240

約数和(自身を除く): 2992259

約数列:

[1, 3, 19, 57, 223, 571, 669, 1713, 4237, 10849, 12711, 32547, 127333, 381999, 2419327, 7257981]

約数ペア:

[(1, 7257981), (3, 2419327), (19, 381999), (57, 127333), (223, 32547), (571, 12711), (669, 10849), (1713, 4237)]