1393740481539

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{620267237}}^1$

素因数の和:620267354

約数の個数: 16

約数和(自身を含む): 2143643574528

約数和(自身を除く): 749903092989

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 620267237, 1860801711, 4341870659, 13025611977, 66368594359, 199105783077, 464580160513, 1393740481539]

約数ペア:

[(1, 1393740481539), (3, 464580160513), (7, 199105783077), (21, 66368594359), (107, 13025611977), (321, 4341870659), (749, 1860801711), (2247, 620267237)]