25667865

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5233}}^1$

素因数の和:5353

約数の個数: 24

約数和(自身を含む): 44907720

約数和(自身を除く): 19239855

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5233, 15699, 26165, 47097, 78495, 235485, 570397, 1711191, 2851985, 5133573, 8555955, 25667865]

約数ペア:

[(1, 25667865), (3, 8555955), (5, 5133573), (9, 2851985), (15, 1711191), (45, 570397), (109, 235485), (327, 78495), (545, 47097), (981, 26165), (1635, 15699), (4905, 5233)]