28263313143

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 47159723520

約数和(自身を除く): 18896410377

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 213, 247, 331, 541, 639, 741, 923, 993, 1349, 1623, 2223, 2769, 2979, 4047, 4303, 4869, 6289, 7033, 8307, 10279, 12141, 12909, 17537, 18867, 21099, 23501, 30837, 38411, 38727, 52611, 56601, 63297, 70503, 81757, 92511, 115233, 133627, 157833, 179071, 211509, 245271, 305513, 345699, 400881, 446519, 499343, 537213, 729809, 735813, 916539, 1202643, 1339557, 1498029, 1611639, 2189427, 2327923, 2749617, 3402349, 4018671, 4494087, 5804747, 6568281, 6983769, 9487517, 10207047, 12714041, 17414241, 20951307, 28462551, 30621141, 38142123, 44230537, 52242723, 85387653, 114426369, 132691611, 165282533, 241566779, 398074833, 495847599, 724700337, 1487542797, 2174101011, 3140368127, 9421104381, 28263313143]

約数ペア:

[(1, 28263313143), (3, 9421104381), (9, 3140368127), (13, 2174101011), (19, 1487542797), (39, 724700337), (57, 495847599), (71, 398074833), (117, 241566779), (171, 165282533), (213, 132691611), (247, 114426369), (331, 85387653), (541, 52242723), (639, 44230537), (741, 38142123), (923, 30621141), (993, 28462551), (1349, 20951307), (1623, 17414241), (2223, 12714041), (2769, 10207047), (2979, 9487517), (4047, 6983769), (4303, 6568281), (4869, 5804747), (6289, 4494087), (7033, 4018671), (8307, 3402349), (10279, 2749617), (12141, 2327923), (12909, 2189427), (17537, 1611639), (18867, 1498029), (21099, 1339557), (23501, 1202643), (30837, 916539), (38411, 735813), (38727, 729809), (52611, 537213), (56601, 499343), (63297, 446519), (70503, 400881), (81757, 345699), (92511, 305513), (115233, 245271), (133627, 211509), (157833, 179071)]