137943

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:156

約数の個数: 20

約数和(自身を含む): 223608

約数和(自身を除く): 85665

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 351, 393, 1053, 1179, 1703, 3537, 5109, 10611, 15327, 45981, 137943]

約数ペア:

[(1, 137943), (3, 45981), (9, 15327), (13, 10611), (27, 5109), (39, 3537), (81, 1703), (117, 1179), (131, 1053), (351, 393)]