81381123

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6703}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 125498880

約数和(自身を除く): 44117757

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 6703, 12141, 20109, 60327, 127357, 382071, 475913, 1146213, 1427739, 4283217, 9042347, 27127041, 81381123]

約数ペア:

[(1, 81381123), (3, 27127041), (9, 9042347), (19, 4283217), (57, 1427739), (71, 1146213), (171, 475913), (213, 382071), (639, 127357), (1349, 60327), (4047, 20109), (6703, 12141)]