81663519

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{9281}}^1$

素因数の和:9710

約数の個数: 16

約数和(自身を含む): 124750080

約数和(自身を除く): 43086561

約数列:

[1, 3, 7, 21, 419, 1257, 2933, 8799, 9281, 27843, 64967, 194901, 3888739, 11666217, 27221173, 81663519]

約数ペア:

[(1, 81663519), (3, 27221173), (7, 11666217), (21, 3888739), (419, 194901), (1257, 64967), (2933, 27843), (8799, 9281)]