2821465791

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{109883}}^1$

素因数の和:110212

約数の個数: 20

約数和(自身を含む): 4228116552

約数和(自身を除く): 1406650761

約数列:

[1, 3, 9, 27, 81, 317, 951, 2853, 8559, 25677, 109883, 329649, 988947, 2966841, 8900523, 34832911, 104498733, 313496199, 940488597, 2821465791]

約数ペア:

[(1, 2821465791), (3, 940488597), (9, 313496199), (27, 104498733), (81, 34832911), (317, 8900523), (951, 2966841), (2853, 988947), (8559, 329649), (25677, 109883)]