278908239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{15149}}^1$

素因数の和:15207

約数の個数: 24

約数和(自身を含む): 415594800

約数和(自身を除く): 136686561

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 6137, 15149, 18411, 45447, 257533, 287831, 772599, 863493, 4893127, 5468789, 14679381, 16406367, 92969413, 278908239]

約数ペア:

[(1, 278908239), (3, 92969413), (17, 16406367), (19, 14679381), (51, 5468789), (57, 4893127), (323, 863493), (361, 772599), (969, 287831), (1083, 257533), (6137, 45447), (15149, 18411)]