260013249

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{3943}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 398691072

約数和(自身を除く): 138677823

約数列:

[1, 3, 9, 17, 51, 153, 431, 1293, 3879, 3943, 7327, 11829, 21981, 35487, 65943, 67031, 201093, 603279, 1699433, 5098299, 15294897, 28890361, 86671083, 260013249]

約数ペア:

[(1, 260013249), (3, 86671083), (9, 28890361), (17, 15294897), (51, 5098299), (153, 1699433), (431, 603279), (1293, 201093), (3879, 67031), (3943, 65943), (7327, 35487), (11829, 21981)]