84789621

素因数分解:

$3^2\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1283}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 140212800

約数和(自身を除く): 55423179

約数列:

[1, 3, 7, 9, 21, 63, 1049, 1283, 3147, 3849, 7343, 8981, 9441, 11547, 22029, 26943, 66087, 80829, 1345867, 4037601, 9421069, 12112803, 28263207, 84789621]

約数ペア:

[(1, 84789621), (3, 28263207), (7, 12112803), (9, 9421069), (21, 4037601), (63, 1345867), (1049, 80829), (1283, 66087), (3147, 26943), (3849, 22029), (7343, 11547), (8981, 9441)]