1820125053

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{3271}}^1$

素因数の和:3874

約数の個数: 32

約数和(自身を含む): 2775179520

約数和(自身を除く): 955054467

約数列:

[1, 3, 9, 27, 37, 111, 333, 557, 999, 1671, 3271, 5013, 9813, 15039, 20609, 29439, 61827, 88317, 121027, 185481, 363081, 556443, 1089243, 1821947, 3267729, 5465841, 16397523, 49192569, 67412039, 202236117, 606708351, 1820125053]

約数ペア:

[(1, 1820125053), (3, 606708351), (9, 202236117), (27, 67412039), (37, 49192569), (111, 16397523), (333, 5465841), (557, 3267729), (999, 1821947), (1671, 1089243), (3271, 556443), (5013, 363081), (9813, 185481), (15039, 121027), (20609, 88317), (29439, 61827)]