26257365

素因数分解:

$3^5\times 5^1\times {\mathrm{21611}}^1$

素因数の和:21631

約数の個数: 24

約数和(自身を含む): 47200608

約数和(自身を除く): 20943243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21611, 64833, 108055, 194499, 324165, 583497, 972495, 1750491, 2917485, 5251473, 8752455, 26257365]

約数ペア:

[(1, 26257365), (3, 8752455), (5, 5251473), (9, 2917485), (15, 1750491), (27, 972495), (45, 583497), (81, 324165), (135, 194499), (243, 108055), (405, 64833), (1215, 21611)]