56991903

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 77479776

約数和(自身を除く): 20487873

約数列:

[1, 3, 73, 197, 219, 591, 1321, 3963, 14381, 43143, 96433, 260237, 289299, 780711, 18997301, 56991903]

約数ペア:

[(1, 56991903), (3, 18997301), (73, 780711), (197, 289299), (219, 260237), (591, 96433), (1321, 43143), (3963, 14381)]