2008506717

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 3572449920

約数和(自身を除く): 1563943203

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 71, 147, 161, 207, 213, 441, 483, 497, 639, 1127, 1449, 1491, 1633, 2789, 3381, 3479, 4473, 4899, 8367, 10143, 10437, 11431, 14697, 19523, 25101, 31311, 34293, 58569, 64147, 80017, 102879, 136661, 175707, 192441, 198019, 240051, 409983, 449029, 577323, 594057, 720153, 1229949, 1347087, 1386133, 1782171, 3143203, 4041261, 4158399, 4554437, 9429609, 9702931, 12475197, 13663311, 28288827, 29108793, 31881059, 40989933, 87326379, 95643177, 223167413, 286929531, 669502239, 2008506717]

約数ペア:

[(1, 2008506717), (3, 669502239), (7, 286929531), (9, 223167413), (21, 95643177), (23, 87326379), (49, 40989933), (63, 31881059), (69, 29108793), (71, 28288827), (147, 13663311), (161, 12475197), (207, 9702931), (213, 9429609), (441, 4554437), (483, 4158399), (497, 4041261), (639, 3143203), (1127, 1782171), (1449, 1386133), (1491, 1347087), (1633, 1229949), (2789, 720153), (3381, 594057), (3479, 577323), (4473, 449029), (4899, 409983), (8367, 240051), (10143, 198019), (10437, 192441), (11431, 175707), (14697, 136661), (19523, 102879), (25101, 80017), (31311, 64147), (34293, 58569)]