15990387

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 26376192

約数和(自身を除く): 10385805

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 953, 987, 2397, 2859, 5593, 6671, 16201, 16779, 20013, 44791, 48603, 113407, 134373, 313537, 340221, 761447, 940611, 2284341, 5330129, 15990387]

約数ペア:

[(1, 15990387), (3, 5330129), (7, 2284341), (17, 940611), (21, 761447), (47, 340221), (51, 313537), (119, 134373), (141, 113407), (329, 48603), (357, 44791), (799, 20013), (953, 16779), (987, 16201), (2397, 6671), (2859, 5593)]