25317819

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 13665861

約数列:

[1, 3, 9, 27, 47, 71, 141, 213, 281, 423, 639, 843, 1269, 1917, 2529, 3337, 7587, 10011, 13207, 19951, 30033, 39621, 59853, 90099, 118863, 179559, 356589, 538677, 937697, 2813091, 8439273, 25317819]

約数ペア:

[(1, 25317819), (3, 8439273), (9, 2813091), (27, 937697), (47, 538677), (71, 356589), (141, 179559), (213, 118863), (281, 90099), (423, 59853), (639, 39621), (843, 30033), (1269, 19951), (1917, 13207), (2529, 10011), (3337, 7587)]