257450454

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{207287}}^1$

素因数の和:207321

約数の個数: 32

約数和(自身を含む): 596989440

約数和(自身を除く): 339538986

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 207287, 414574, 621861, 1243722, 1865583, 3731166, 4767601, 5596749, 9535202, 11193498, 14302803, 28605606, 42908409, 85816818, 128725227, 257450454]

約数ペア:

[(1, 257450454), (2, 128725227), (3, 85816818), (6, 42908409), (9, 28605606), (18, 14302803), (23, 11193498), (27, 9535202), (46, 5596749), (54, 4767601), (69, 3731166), (138, 1865583), (207, 1243722), (414, 621861), (621, 414574), (1242, 207287)]