87314877

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 144039168

約数和(自身を除く): 56724291

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 117, 207, 213, 299, 457, 639, 897, 923, 1371, 1633, 2691, 2769, 4113, 4899, 5941, 8307, 10511, 14697, 17823, 21229, 31533, 32447, 53469, 63687, 94599, 97341, 136643, 191061, 292023, 409929, 421811, 746281, 1229787, 1265433, 2238843, 3796299, 6716529, 9701653, 29104959, 87314877]

約数ペア:

[(1, 87314877), (3, 29104959), (9, 9701653), (13, 6716529), (23, 3796299), (39, 2238843), (69, 1265433), (71, 1229787), (117, 746281), (207, 421811), (213, 409929), (299, 292023), (457, 191061), (639, 136643), (897, 97341), (923, 94599), (1371, 63687), (1633, 53469), (2691, 32447), (2769, 31533), (4113, 21229), (4899, 17823), (5941, 14697), (8307, 10511)]