78700797

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20479}}^1$

素因数の和:20553

約数の個数: 24

約数和(自身を含む): 132055040

約数和(自身を除く): 53354243

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 20479, 61437, 143353, 184311, 430059, 1249219, 1290177, 3747657, 8744533, 11242971, 26233599, 78700797]

約数ペア:

[(1, 78700797), (3, 26233599), (7, 11242971), (9, 8744533), (21, 3747657), (61, 1290177), (63, 1249219), (183, 430059), (427, 184311), (549, 143353), (1281, 61437), (3843, 20479)]