81112143

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{57649}}^1$

素因数の和:57726

約数の個数: 16

約数和(自身を含む): 125446400

約数和(自身を除く): 44334257

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 57649, 172947, 403543, 1210629, 3862483, 11587449, 27037381, 81112143]

約数ペア:

[(1, 81112143), (3, 27037381), (7, 11587449), (21, 3862483), (67, 1210629), (201, 403543), (469, 172947), (1407, 57649)]