25439211

素因数分解:

$3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 43315200

約数和(自身を除く): 17875989

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 281, 479, 843, 1437, 1967, 2529, 3353, 4311, 5901, 7587, 10059, 12933, 17703, 30177, 53109, 90531, 134599, 403797, 942193, 1211391, 2826579, 3634173, 8479737, 25439211]

約数ペア:

[(1, 25439211), (3, 8479737), (7, 3634173), (9, 2826579), (21, 1211391), (27, 942193), (63, 403797), (189, 134599), (281, 90531), (479, 53109), (843, 30177), (1437, 17703), (1967, 12933), (2529, 10059), (3353, 7587), (4311, 5901)]