778124799

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 1304709120

約数和(自身を除く): 526584321

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 79, 81, 153, 207, 237, 311, 391, 459, 621, 711, 933, 1173, 1343, 1377, 1817, 1863, 2133, 2799, 3519, 4029, 5287, 5451, 6399, 7153, 8397, 10557, 12087, 15861, 16353, 21459, 24569, 25191, 30889, 31671, 36261, 47583, 49059, 64377, 73707, 92667, 108783, 121601, 142749, 147177, 193131, 221121, 278001, 364803, 417673, 428247, 565087, 579393, 663363, 834003, 1094409, 1253019, 1695261, 1990089, 2502009, 3283227, 3759057, 5085783, 9606479, 9849681, 11277171, 15257349, 28819437, 33831513, 45772047, 86458311, 259374933, 778124799]

約数ペア:

[(1, 778124799), (3, 259374933), (9, 86458311), (17, 45772047), (23, 33831513), (27, 28819437), (51, 15257349), (69, 11277171), (79, 9849681), (81, 9606479), (153, 5085783), (207, 3759057), (237, 3283227), (311, 2502009), (391, 1990089), (459, 1695261), (621, 1253019), (711, 1094409), (933, 834003), (1173, 663363), (1343, 579393), (1377, 565087), (1817, 428247), (1863, 417673), (2133, 364803), (2799, 278001), (3519, 221121), (4029, 193131), (5287, 147177), (5451, 142749), (6399, 121601), (7153, 108783), (8397, 92667), (10557, 73707), (12087, 64377), (15861, 49059), (16353, 47583), (21459, 36261), (24569, 31671), (25191, 30889)]