79920981

素因数分解:

$3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1667}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 132185664

約数和(自身を除く): 52264683

約数列:

[1, 3, 7, 9, 21, 63, 761, 1667, 2283, 5001, 5327, 6849, 11669, 15003, 15981, 35007, 47943, 105021, 1268587, 3805761, 8880109, 11417283, 26640327, 79920981]

約数ペア:

[(1, 79920981), (3, 26640327), (7, 11417283), (9, 8880109), (21, 3805761), (63, 1268587), (761, 105021), (1667, 47943), (2283, 35007), (5001, 15981), (5327, 15003), (6849, 11669)]