1219257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 2011464

約数和(自身を除く): 792207

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 613, 663, 1839, 1989, 5517, 7969, 10421, 23907, 31263, 71721, 93789, 135473, 406419, 1219257]

約数ペア:

[(1, 1219257), (3, 406419), (9, 135473), (13, 93789), (17, 71721), (39, 31263), (51, 23907), (117, 10421), (153, 7969), (221, 5517), (613, 1989), (663, 1839)]