256836447

素因数分解:

$3^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2837}}^1$

素因数の和:3332

約数の個数: 32

約数和(自身を含む): 435916800

約数和(自身を除く): 179080353

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 479, 1437, 2837, 3353, 4311, 8511, 10059, 12933, 19859, 25533, 30177, 59577, 76599, 90531, 178731, 536193, 1358923, 4076769, 9512461, 12230307, 28537383, 36690921, 85612149, 256836447]

約数ペア:

[(1, 256836447), (3, 85612149), (7, 36690921), (9, 28537383), (21, 12230307), (27, 9512461), (63, 4076769), (189, 1358923), (479, 536193), (1437, 178731), (2837, 90531), (3353, 76599), (4311, 59577), (8511, 30177), (10059, 25533), (12933, 19859)]