71308539

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 111872000

約数和(自身を除く): 40563461

約数列:

[1, 3, 9, 19, 27, 57, 171, 229, 513, 607, 687, 1821, 2061, 4351, 5463, 6183, 11533, 13053, 16389, 34599, 39159, 103797, 117477, 139003, 311391, 417009, 1251027, 2641057, 3753081, 7923171, 23769513, 71308539]

約数ペア:

[(1, 71308539), (3, 23769513), (9, 7923171), (19, 3753081), (27, 2641057), (57, 1251027), (171, 417009), (229, 311391), (513, 139003), (607, 117477), (687, 103797), (1821, 39159), (2061, 34599), (4351, 16389), (5463, 13053), (6183, 11533)]