81582405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319931}}^1$

素因数の和:319956

約数の個数: 16

約数和(自身を含む): 138210624

約数和(自身を除く): 56628219

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319931, 959793, 1599655, 4798965, 5438827, 16316481, 27194135, 81582405]

約数ペア:

[(1, 81582405), (3, 27194135), (5, 16316481), (15, 5438827), (17, 4798965), (51, 1599655), (85, 959793), (255, 319931)]