64381965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99817}}^1$

素因数の和:99868

約数の個数: 16

約数和(自身を含む): 105407808

約数和(自身を除く): 41025843

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 99817, 299451, 499085, 1497255, 4292131, 12876393, 21460655, 64381965]

約数ペア:

[(1, 64381965), (3, 21460655), (5, 12876393), (15, 4292131), (43, 1497255), (129, 499085), (215, 299451), (645, 99817)]