25792587

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18731}}^1$

素因数の和:18760

約数の個数: 20

約数和(自身を含む): 40798296

約数和(自身を除く): 15005709

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18731, 56193, 168579, 318427, 505737, 955281, 1517211, 2865843, 8597529, 25792587]

約数ペア:

[(1, 25792587), (3, 8597529), (9, 2865843), (17, 1517211), (27, 955281), (51, 505737), (81, 318427), (153, 168579), (459, 56193), (1377, 18731)]