205655751

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{11617}}^1$

素因数の和:11911

約数の個数: 24

約数和(自身を含む): 340732704

約数和(自身を除く): 135076953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 5901, 11617, 17703, 34851, 81319, 104553, 243957, 731871, 3264377, 9793131, 22850639, 29379393, 68551917, 205655751]

約数ペア:

[(1, 205655751), (3, 68551917), (7, 29379393), (9, 22850639), (21, 9793131), (63, 3264377), (281, 731871), (843, 243957), (1967, 104553), (2529, 81319), (5901, 34851), (11617, 17703)]