211088187

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 330939840

約数和(自身を除く): 119851653

約数列:

[1, 3, 9, 27, 29, 73, 81, 87, 219, 261, 657, 783, 1231, 1971, 2117, 2349, 3693, 5913, 6351, 11079, 19053, 33237, 35699, 57159, 89863, 99711, 107097, 171477, 269589, 321291, 808767, 963873, 2426301, 2606027, 2891619, 7278903, 7818081, 23454243, 70362729, 211088187]

約数ペア:

[(1, 211088187), (3, 70362729), (9, 23454243), (27, 7818081), (29, 7278903), (73, 2891619), (81, 2606027), (87, 2426301), (219, 963873), (261, 808767), (657, 321291), (783, 269589), (1231, 171477), (1971, 107097), (2117, 99711), (2349, 89863), (3693, 57159), (5913, 35699), (6351, 33237), (11079, 19053)]