1971291273

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{278549}}^1$

素因数の和:278896

約数の個数: 16

約数和(自身を含む): 3012796800

約数和(自身を除く): 1041505527

約数列:

[1, 3, 7, 21, 337, 1011, 2359, 7077, 278549, 835647, 1949843, 5849529, 93871013, 281613039, 657097091, 1971291273]

約数ペア:

[(1, 1971291273), (3, 657097091), (7, 281613039), (21, 93871013), (337, 5849529), (1011, 1949843), (2359, 835647), (7077, 278549)]