28156920897

素因数分解:

$3^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{750311}}^1$

素因数の和:752108

約数の個数: 16

約数和(自身を含む): 42929851392

約数和(自身を除く): 14772930495

約数列:

[1, 3, 7, 21, 1787, 5361, 12509, 37527, 750311, 2250933, 5252177, 15756531, 1340805757, 4022417271, 9385640299, 28156920897]

約数ペア:

[(1, 28156920897), (3, 9385640299), (7, 4022417271), (21, 1340805757), (1787, 15756531), (5361, 5252177), (12509, 2250933), (37527, 750311)]