242938359

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{4679}}^1$

素因数の和:5332

約数の個数: 20

約数和(自身を含む): 363551760

約数和(自身を除く): 120613401

約数列:

[1, 3, 9, 27, 81, 641, 1923, 4679, 5769, 14037, 17307, 42111, 51921, 126333, 378999, 2999239, 8997717, 26993151, 80979453, 242938359]

約数ペア:

[(1, 242938359), (3, 80979453), (9, 26993151), (27, 8997717), (81, 2999239), (641, 378999), (1923, 126333), (4679, 51921), (5769, 42111), (14037, 17307)]