56981589

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{142811}}^1$

素因数の和:142840

約数の個数: 16

約数和(自身を含む): 91399680

約数和(自身を除く): 34418091

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 142811, 428433, 999677, 2713409, 2999031, 8140227, 18993863, 56981589]

約数ペア:

[(1, 56981589), (3, 18993863), (7, 8140227), (19, 2999031), (21, 2713409), (57, 999677), (133, 428433), (399, 142811)]