256838067

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1321}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 401888000

約数和(自身を除く): 145049933

約数列:

[1, 3, 9, 19, 27, 57, 171, 379, 513, 1137, 1321, 3411, 3963, 7201, 10233, 11889, 21603, 25099, 35667, 64809, 75297, 194427, 225891, 500659, 677673, 1501977, 4505931, 9512521, 13517793, 28537563, 85612689, 256838067]

約数ペア:

[(1, 256838067), (3, 85612689), (9, 28537563), (19, 13517793), (27, 9512521), (57, 4505931), (171, 1501977), (379, 677673), (513, 500659), (1137, 225891), (1321, 194427), (3411, 75297), (3963, 64809), (7201, 35667), (10233, 25099), (11889, 21603)]