1672521

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2320704

約数和(自身を除く): 648183

約数列:

[1, 3, 53, 67, 157, 159, 201, 471, 3551, 8321, 10519, 10653, 24963, 31557, 557507, 1672521]

約数ペア:

[(1, 1672521), (3, 557507), (53, 31557), (67, 24963), (157, 10653), (159, 10519), (201, 8321), (471, 3551)]