18123981

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 6510387

約数列:

[1, 3, 107, 131, 321, 393, 431, 1293, 14017, 42051, 46117, 56461, 138351, 169383, 6041327, 18123981]

約数ペア:

[(1, 18123981), (3, 6041327), (107, 169383), (131, 138351), (321, 56461), (393, 46117), (431, 42051), (1293, 14017)]