11961999

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 21991024

約数和(自身を除く): 10029025

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 73, 81, 119, 153, 189, 219, 289, 357, 459, 511, 567, 657, 867, 1071, 1241, 1377, 1533, 1971, 2023, 2601, 3213, 3723, 4599, 5913, 6069, 7803, 8687, 9639, 11169, 13797, 18207, 21097, 23409, 26061, 33507, 41391, 54621, 63291, 78183, 100521, 147679, 163863, 189873, 234549, 443037, 569619, 703647, 1329111, 1708857, 3987333, 11961999]

約数ペア:

[(1, 11961999), (3, 3987333), (7, 1708857), (9, 1329111), (17, 703647), (21, 569619), (27, 443037), (51, 234549), (63, 189873), (73, 163863), (81, 147679), (119, 100521), (153, 78183), (189, 63291), (219, 54621), (289, 41391), (357, 33507), (459, 26061), (511, 23409), (567, 21097), (657, 18207), (867, 13797), (1071, 11169), (1241, 9639), (1377, 8687), (1533, 7803), (1971, 6069), (2023, 5913), (2601, 4599), (3213, 3723)]