1296005103

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{225353}}^1$

素因数の和:225436

約数の個数: 20

約数和(自身を含む): 1963284048

約数和(自身を除く): 667278945

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 225353, 676059, 2028177, 6084531, 16000063, 18253593, 48000189, 144000567, 432001701, 1296005103]

約数ペア:

[(1, 1296005103), (3, 432001701), (9, 144000567), (27, 48000189), (71, 18253593), (81, 16000063), (213, 6084531), (639, 2028177), (1917, 676059), (5751, 225353)]