3989841

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 5505984

約数和(自身を除く): 1516143

約数列:

[1, 3, 43, 129, 157, 197, 471, 591, 6751, 8471, 20253, 25413, 30929, 92787, 1329947, 3989841]

約数ペア:

[(1, 3989841), (3, 1329947), (43, 92787), (129, 30929), (157, 25413), (197, 20253), (471, 8471), (591, 6751)]