13128087

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 20511616

約数和(自身を除く): 7383529

約数列:

[1, 3, 7, 21, 47, 141, 283, 329, 849, 987, 1981, 2209, 5943, 6627, 13301, 15463, 39903, 46389, 93107, 279321, 625147, 1875441, 4376029, 13128087]

約数ペア:

[(1, 13128087), (3, 4376029), (7, 1875441), (21, 625147), (47, 279321), (141, 93107), (283, 46389), (329, 39903), (849, 15463), (987, 13301), (1981, 6627), (2209, 5943)]