6687387

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 4924773

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 863, 1107, 2583, 2589, 6041, 7749, 7767, 18123, 23301, 35383, 54369, 106149, 163107, 247681, 318447, 743043, 955341, 2229129, 6687387]

約数ペア:

[(1, 6687387), (3, 2229129), (7, 955341), (9, 743043), (21, 318447), (27, 247681), (41, 163107), (63, 106149), (123, 54369), (189, 35383), (287, 23301), (369, 18123), (861, 7767), (863, 7749), (1107, 6041), (2583, 2589)]