2539998

素因数分解:

$2^1\times 3^4\times {\mathrm{15679}}^1$

素因数の和:15693

約数の個数: 20

約数和(自身を含む): 5691840

約数和(自身を除く): 3151842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 15679, 31358, 47037, 94074, 141111, 282222, 423333, 846666, 1269999, 2539998]

約数ペア:

[(1, 2539998), (2, 1269999), (3, 846666), (6, 423333), (9, 282222), (18, 141111), (27, 94074), (54, 47037), (81, 31358), (162, 15679)]