12880881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 20278440

約数和(自身を除く): 7397559

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1237, 3471, 3711, 10413, 11133, 16081, 48243, 110093, 144729, 330279, 990837, 1431209, 4293627, 12880881]

約数ペア:

[(1, 12880881), (3, 4293627), (9, 1431209), (13, 990837), (39, 330279), (89, 144729), (117, 110093), (267, 48243), (801, 16081), (1157, 11133), (1237, 10413), (3471, 3711)]