31128207903

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1831

約数の個数: 96

約数和(自身を含む): 51817147200

約数和(自身を除く): 20688939297

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 149, 243, 351, 369, 447, 533, 1053, 1107, 1341, 1599, 1613, 1937, 3159, 3321, 4023, 4797, 4839, 5811, 6109, 9963, 12069, 14391, 14517, 17433, 18327, 20969, 36207, 43173, 43551, 52299, 54981, 62907, 66133, 79417, 129519, 130653, 156897, 164943, 188721, 198399, 238251, 240337, 391959, 470691, 494829, 566163, 595197, 714753, 721011, 859729, 1484487, 1698489, 1785591, 2144259, 2163033, 2579187, 3124381, 5095467, 5356773, 6432777, 6489099, 7737561, 9373143, 9853817, 16070319, 19298331, 19467297, 23212683, 28119429, 29561451, 58401891, 69638049, 84358287, 88684353, 128099621, 208914147, 253074861, 266053059, 384298863, 759224583, 798159177, 1152896589, 2394477531, 3458689767, 10376069301, 31128207903]

約数ペア:

[(1, 31128207903), (3, 10376069301), (9, 3458689767), (13, 2394477531), (27, 1152896589), (39, 798159177), (41, 759224583), (81, 384298863), (117, 266053059), (123, 253074861), (149, 208914147), (243, 128099621), (351, 88684353), (369, 84358287), (447, 69638049), (533, 58401891), (1053, 29561451), (1107, 28119429), (1341, 23212683), (1599, 19467297), (1613, 19298331), (1937, 16070319), (3159, 9853817), (3321, 9373143), (4023, 7737561), (4797, 6489099), (4839, 6432777), (5811, 5356773), (6109, 5095467), (9963, 3124381), (12069, 2579187), (14391, 2163033), (14517, 2144259), (17433, 1785591), (18327, 1698489), (20969, 1484487), (36207, 859729), (43173, 721011), (43551, 714753), (52299, 595197), (54981, 566163), (62907, 494829), (66133, 470691), (79417, 391959), (129519, 240337), (130653, 238251), (156897, 198399), (164943, 188721)]