87663951

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{21221}}^1$

素因数の和:21253

約数の個数: 24

約数和(自身を含む): 139046544

約数和(自身を除く): 51382593

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 21221, 63663, 190989, 360757, 572967, 1082271, 1718901, 3246813, 5156703, 9740439, 29221317, 87663951]

約数ペア:

[(1, 87663951), (3, 29221317), (9, 9740439), (17, 5156703), (27, 3246813), (51, 1718901), (81, 1082271), (153, 572967), (243, 360757), (459, 190989), (1377, 63663), (4131, 21221)]