205937055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 384065136

約数和(自身を除く): 178128081

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 211, 345, 369, 529, 615, 633, 943, 1035, 1055, 1587, 1845, 1899, 2645, 2829, 3165, 4715, 4761, 4853, 7935, 8487, 8651, 9495, 14145, 14559, 21689, 23805, 24265, 25953, 42435, 43255, 43677, 65067, 72795, 77859, 108445, 111619, 129765, 195201, 198973, 218385, 325335, 334857, 389295, 558095, 596919, 976005, 994865, 1004571, 1674285, 1790757, 2984595, 4576379, 5022855, 8953785, 13729137, 22881895, 41187411, 68645685, 205937055]

約数ペア:

[(1, 205937055), (3, 68645685), (5, 41187411), (9, 22881895), (15, 13729137), (23, 8953785), (41, 5022855), (45, 4576379), (69, 2984595), (115, 1790757), (123, 1674285), (205, 1004571), (207, 994865), (211, 976005), (345, 596919), (369, 558095), (529, 389295), (615, 334857), (633, 325335), (943, 218385), (1035, 198973), (1055, 195201), (1587, 129765), (1845, 111619), (1899, 108445), (2645, 77859), (2829, 72795), (3165, 65067), (4715, 43677), (4761, 43255), (4853, 42435), (7935, 25953), (8487, 24265), (8651, 23805), (9495, 21689), (14145, 14559)]