266742273

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{668527}}^1$

素因数の和:668556

約数の個数: 16

約数和(自身を含む): 427857920

約数和(自身を除く): 161115647

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 668527, 2005581, 4679689, 12702013, 14039067, 38106039, 88914091, 266742273]

約数ペア:

[(1, 266742273), (3, 88914091), (7, 38106039), (19, 14039067), (21, 12702013), (57, 4679689), (133, 2005581), (399, 668527)]