87471219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 132641280

約数和(自身を除く): 45170061

約数列:

[1, 3, 11, 33, 37, 71, 111, 213, 407, 781, 1009, 1221, 2343, 2627, 3027, 7881, 11099, 28897, 33297, 37333, 71639, 86691, 111999, 214917, 410663, 788029, 1231989, 2364087, 2650643, 7951929, 29157073, 87471219]

約数ペア:

[(1, 87471219), (3, 29157073), (11, 7951929), (33, 2650643), (37, 2364087), (71, 1231989), (111, 788029), (213, 410663), (407, 214917), (781, 111999), (1009, 86691), (1221, 71639), (2343, 37333), (2627, 33297), (3027, 28897), (7881, 11099)]