27801431

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 32524800

約数和(自身を除く): 4723369

約数列:

[1, 7, 83, 109, 439, 581, 763, 3073, 9047, 36437, 47851, 63329, 255059, 334957, 3971633, 27801431]

約数ペア:

[(1, 27801431), (7, 3971633), (83, 334957), (109, 255059), (439, 63329), (581, 47851), (763, 36437), (3073, 9047)]