27890457

素因数分解:

$3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{563}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 43464096

約数和(自身を除く): 15573639

約数列:

[1, 3, 7, 21, 49, 147, 337, 563, 1011, 1689, 2359, 3941, 7077, 11823, 16513, 27587, 49539, 82761, 189731, 569193, 1328117, 3984351, 9296819, 27890457]

約数ペア:

[(1, 27890457), (3, 9296819), (7, 3984351), (21, 1328117), (49, 569193), (147, 189731), (337, 82761), (563, 49539), (1011, 27587), (1689, 16513), (2359, 11823), (3941, 7077)]