247922367

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{26177}}^1$

素因数の和:26239

約数の個数: 32

約数和(自身を含む): 422198784

約数和(自身を除く): 174276417

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 26177, 78531, 183239, 287947, 549717, 863841, 1073257, 2015629, 3219771, 6046887, 7512799, 11805827, 22538397, 35417481, 82640789, 247922367]

約数ペア:

[(1, 247922367), (3, 82640789), (7, 35417481), (11, 22538397), (21, 11805827), (33, 7512799), (41, 6046887), (77, 3219771), (123, 2015629), (231, 1073257), (287, 863841), (451, 549717), (861, 287947), (1353, 183239), (3157, 78531), (9471, 26177)]