51815133

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 85227768

約数和(自身を除く): 33412635

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 113, 153, 243, 333, 339, 459, 629, 729, 999, 1017, 1377, 1887, 1921, 2997, 3051, 4131, 4181, 5661, 5763, 8991, 9153, 12393, 12543, 16983, 17289, 26973, 27459, 37629, 50949, 51867, 71077, 82377, 112887, 152847, 155601, 213231, 338661, 458541, 466803, 639693, 1015983, 1400409, 1919079, 3047949, 5757237, 17271711, 51815133]

約数ペア:

[(1, 51815133), (3, 17271711), (9, 5757237), (17, 3047949), (27, 1919079), (37, 1400409), (51, 1015983), (81, 639693), (111, 466803), (113, 458541), (153, 338661), (243, 213231), (333, 155601), (339, 152847), (459, 112887), (629, 82377), (729, 71077), (999, 51867), (1017, 50949), (1377, 37629), (1887, 27459), (1921, 26973), (2997, 17289), (3051, 16983), (4131, 12543), (4181, 12393), (5661, 9153), (5763, 8991)]