12907089

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 20284992

約数和(自身を除く): 7377903

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1031, 1391, 3093, 4173, 9279, 12519, 13403, 40209, 110317, 120627, 330951, 992853, 1434121, 4302363, 12907089]

約数ペア:

[(1, 12907089), (3, 4302363), (9, 1434121), (13, 992853), (39, 330951), (107, 120627), (117, 110317), (321, 40209), (963, 13403), (1031, 12519), (1391, 9279), (3093, 4173)]