87953877

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 149022720

約数和(自身を除く): 61068843

約数列:

[1, 3, 9, 11, 27, 33, 43, 71, 97, 99, 129, 213, 291, 297, 387, 473, 639, 781, 873, 1067, 1161, 1419, 1917, 2343, 2619, 3053, 3201, 4171, 4257, 6887, 7029, 9159, 9603, 12513, 12771, 20661, 21087, 27477, 28809, 33583, 37539, 45881, 61983, 75757, 82431, 100749, 112617, 137643, 185949, 227271, 296141, 302247, 412929, 681813, 888423, 906741, 1238787, 2045439, 2665269, 3257551, 7995807, 9772653, 29317959, 87953877]

約数ペア:

[(1, 87953877), (3, 29317959), (9, 9772653), (11, 7995807), (27, 3257551), (33, 2665269), (43, 2045439), (71, 1238787), (97, 906741), (99, 888423), (129, 681813), (213, 412929), (291, 302247), (297, 296141), (387, 227271), (473, 185949), (639, 137643), (781, 112617), (873, 100749), (1067, 82431), (1161, 75757), (1419, 61983), (1917, 45881), (2343, 37539), (2619, 33583), (3053, 28809), (3201, 27477), (4171, 21087), (4257, 20661), (6887, 12771), (7029, 12513), (9159, 9603)]