2519991

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 20

約数和(自身を含む): 3841992

約数和(自身を除く): 1322001

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 587, 1431, 1761, 4293, 5283, 15849, 31111, 47547, 93333, 279999, 839997, 2519991]

約数ペア:

[(1, 2519991), (3, 839997), (9, 279999), (27, 93333), (53, 47547), (81, 31111), (159, 15849), (477, 5283), (587, 4293), (1431, 1761)]