1388891871

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{35081}}^1$

素因数の和:35223

約数の個数: 24

約数和(自身を含む): 2068715376

約数和(自身を除く): 679823505

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 747, 4399, 13197, 35081, 39591, 105243, 315729, 1859293, 2911723, 5577879, 8735169, 16733637, 26205507, 154321319, 462963957, 1388891871]

約数ペア:

[(1, 1388891871), (3, 462963957), (9, 154321319), (53, 26205507), (83, 16733637), (159, 8735169), (249, 5577879), (477, 2911723), (747, 1859293), (4399, 315729), (13197, 105243), (35081, 39591)]