81432057

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 131991552

約数和(自身を除く): 50559495

約数列:

[1, 3, 7, 17, 21, 51, 119, 307, 357, 743, 921, 2149, 2229, 5201, 5219, 6447, 12631, 15603, 15657, 36533, 37893, 88417, 109599, 228101, 265251, 684303, 1596707, 3877717, 4790121, 11633151, 27144019, 81432057]

約数ペア:

[(1, 81432057), (3, 27144019), (7, 11633151), (17, 4790121), (21, 3877717), (51, 1596707), (119, 684303), (307, 265251), (357, 228101), (743, 109599), (921, 88417), (2149, 37893), (2229, 36533), (5201, 15657), (5219, 15603), (6447, 12631)]