28757789721

素因数分解:

$3^4\times {\mathrm{4019}}^1\times {\mathrm{88339}}^1$

素因数の和:92370

約数の個数: 20

約数和(自身を含む): 42970342800

約数和(自身を除く): 14212553079

約数列:

[1, 3, 9, 27, 81, 4019, 12057, 36171, 88339, 108513, 265017, 325539, 795051, 2385153, 7155459, 355034441, 1065103323, 3195309969, 9585929907, 28757789721]

約数ペア:

[(1, 28757789721), (3, 9585929907), (9, 3195309969), (27, 1065103323), (81, 355034441), (4019, 7155459), (12057, 2385153), (36171, 795051), (88339, 325539), (108513, 265017)]