260203833

素因数分解:

$3^4\times {\mathrm{1607}}^1\times {\mathrm{1999}}^1$

素因数の和:3618

約数の個数: 20

約数和(自身を含む): 389136000

約数和(自身を除く): 128932167

約数列:

[1, 3, 9, 27, 81, 1607, 1999, 4821, 5997, 14463, 17991, 43389, 53973, 130167, 161919, 3212393, 9637179, 28911537, 86734611, 260203833]

約数ペア:

[(1, 260203833), (3, 86734611), (9, 28911537), (27, 9637179), (81, 3212393), (1607, 161919), (1999, 130167), (4821, 53973), (5997, 43389), (14463, 17991)]