80668413

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6997}}^1$

素因数の和:7074

約数の個数: 32

約数和(自身を含む): 138840320

約数和(自身を除く): 58171907

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 6997, 11529, 20991, 48979, 62973, 146937, 188919, 426817, 440811, 1280451, 1322433, 2987719, 3841353, 8963157, 11524059, 26889471, 80668413]

約数ペア:

[(1, 80668413), (3, 26889471), (7, 11524059), (9, 8963157), (21, 3841353), (27, 2987719), (61, 1322433), (63, 1280451), (183, 440811), (189, 426817), (427, 188919), (549, 146937), (1281, 62973), (1647, 48979), (3843, 20991), (6997, 11529)]