247942359

素因数分解:

$3^2\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{2879}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 409743360

約数和(自身を除く): 161801001

約数列:

[1, 3, 7, 9, 21, 63, 1367, 2879, 4101, 8637, 9569, 12303, 20153, 25911, 28707, 60459, 86121, 181377, 3935593, 11806779, 27549151, 35420337, 82647453, 247942359]

約数ペア:

[(1, 247942359), (3, 82647453), (7, 35420337), (9, 27549151), (21, 11806779), (63, 3935593), (1367, 181377), (2879, 86121), (4101, 60459), (8637, 28707), (9569, 25911), (12303, 20153)]