1821319533

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{587}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 3052707840

約数和(自身を除く): 1231388307

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 337, 341, 587, 837, 1011, 1023, 1761, 3033, 3069, 3707, 5283, 6457, 9099, 9207, 10447, 11121, 15849, 18197, 19371, 31341, 33363, 54591, 58113, 94023, 100089, 114917, 163773, 174339, 197819, 200167, 282069, 344751, 491319, 593457, 600501, 1034253, 1780371, 1801503, 2176009, 3102759, 5341113, 5404509, 6132389, 6528027, 18397167, 19584081, 55191501, 58752243, 67456279, 165574503, 202368837, 607106511, 1821319533]

約数ペア:

[(1, 1821319533), (3, 607106511), (9, 202368837), (11, 165574503), (27, 67456279), (31, 58752243), (33, 55191501), (93, 19584081), (99, 18397167), (279, 6528027), (297, 6132389), (337, 5404509), (341, 5341113), (587, 3102759), (837, 2176009), (1011, 1801503), (1023, 1780371), (1761, 1034253), (3033, 600501), (3069, 593457), (3707, 491319), (5283, 344751), (6457, 282069), (9099, 200167), (9207, 197819), (10447, 174339), (11121, 163773), (15849, 114917), (18197, 100089), (19371, 94023), (31341, 58113), (33363, 54591)]