38690991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 58587360

約数和(自身を除く): 19896369

約数列:

[1, 3, 9, 23, 69, 207, 409, 457, 1227, 1371, 3681, 4113, 9407, 10511, 28221, 31533, 84663, 94599, 186913, 560739, 1682217, 4298999, 12896997, 38690991]

約数ペア:

[(1, 38690991), (3, 12896997), (9, 4298999), (23, 1682217), (69, 560739), (207, 186913), (409, 94599), (457, 84663), (1227, 31533), (1371, 28221), (3681, 10511), (4113, 9407)]