212181471

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4241}}^1$

素因数の和:4376

約数の個数: 32

約数和(自身を含む): 335966400

約数和(自身を除く): 123784929

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 981, 1853, 2943, 4241, 5559, 12723, 16677, 38169, 50031, 72097, 114507, 216291, 462269, 648873, 1386807, 1946619, 4160421, 7858573, 12481263, 23575719, 70727157, 212181471]

約数ペア:

[(1, 212181471), (3, 70727157), (9, 23575719), (17, 12481263), (27, 7858573), (51, 4160421), (109, 1946619), (153, 1386807), (327, 648873), (459, 462269), (981, 216291), (1853, 114507), (2943, 72097), (4241, 50031), (5559, 38169), (12723, 16677)]