278312427

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{9013}}^1$

素因数の和:9139

約数の個数: 24

約数和(自身を含む): 416230464

約数和(自身を除く): 137918037

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 657, 3431, 9013, 10293, 27039, 30879, 81117, 423611, 657949, 1270833, 1973847, 3812499, 5921541, 30923603, 92770809, 278312427]

約数ペア:

[(1, 278312427), (3, 92770809), (9, 30923603), (47, 5921541), (73, 3812499), (141, 1973847), (219, 1270833), (423, 657949), (657, 423611), (3431, 81117), (9013, 30879), (10293, 27039)]