2861569161

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 4741632000

約数和(自身を除く): 1880062839

約数列:

[1, 3, 9, 11, 27, 33, 71, 97, 99, 213, 291, 297, 639, 781, 873, 1067, 1399, 1917, 2343, 2619, 3201, 4197, 6887, 7029, 9603, 12591, 15389, 20661, 21087, 28809, 37773, 46167, 61983, 75757, 99329, 135703, 138501, 185949, 227271, 297987, 407109, 415503, 681813, 893961, 1092619, 1221327, 1492733, 2045439, 2681883, 3277857, 3663981, 4478199, 9634913, 9833571, 13434597, 28904739, 29500713, 40303791, 86714217, 105984043, 260142651, 317952129, 953856387, 2861569161]

約数ペア:

[(1, 2861569161), (3, 953856387), (9, 317952129), (11, 260142651), (27, 105984043), (33, 86714217), (71, 40303791), (97, 29500713), (99, 28904739), (213, 13434597), (291, 9833571), (297, 9634913), (639, 4478199), (781, 3663981), (873, 3277857), (1067, 2681883), (1399, 2045439), (1917, 1492733), (2343, 1221327), (2619, 1092619), (3201, 893961), (4197, 681813), (6887, 415503), (7029, 407109), (9603, 297987), (12591, 227271), (15389, 185949), (20661, 138501), (21087, 135703), (28809, 99329), (37773, 75757), (46167, 61983)]