494341347

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 686564352

約数和(自身を除く): 192223005

約数列:

[1, 3, 47, 137, 141, 157, 163, 411, 471, 489, 6439, 7379, 7661, 19317, 21509, 22137, 22331, 22983, 25591, 64527, 66993, 76773, 1010923, 1049557, 1202777, 3032769, 3148671, 3505967, 3608331, 10517901, 164780449, 494341347]

約数ペア:

[(1, 494341347), (3, 164780449), (47, 10517901), (137, 3608331), (141, 3505967), (157, 3148671), (163, 3032769), (411, 1202777), (471, 1049557), (489, 1010923), (6439, 76773), (7379, 66993), (7661, 64527), (19317, 25591), (21509, 22983), (22137, 22331)]