64659021

素因数分解:

$3^1\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{1787}}^1$

素因数の和:3520

約数の個数: 16

約数和(自身を含む): 98640384

約数和(自身を除く): 33981363

約数列:

[1, 3, 7, 21, 1723, 1787, 5169, 5361, 12061, 12509, 36183, 37527, 3079001, 9237003, 21553007, 64659021]

約数ペア:

[(1, 64659021), (3, 21553007), (7, 9237003), (21, 3079001), (1723, 37527), (1787, 36183), (5169, 12509), (5361, 12061)]