87187917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 129392640

約数和(自身を除く): 42204723

約数列:

[1, 3, 17, 23, 51, 69, 239, 311, 391, 717, 933, 1173, 4063, 5287, 5497, 7153, 12189, 15861, 16491, 21459, 74329, 93449, 121601, 222987, 280347, 364803, 1263593, 1709567, 3790779, 5128701, 29062639, 87187917]

約数ペア:

[(1, 87187917), (3, 29062639), (17, 5128701), (23, 3790779), (51, 1709567), (69, 1263593), (239, 364803), (311, 280347), (391, 222987), (717, 121601), (933, 93449), (1173, 74329), (4063, 21459), (5287, 16491), (5497, 15861), (7153, 12189)]