25813215

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1908

約数の個数: 32

約数和(自身を含む): 46344960

約数和(自身を除く): 20531745

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 1787, 2889, 4815, 5361, 8935, 14445, 16083, 26805, 48249, 80415, 191209, 241245, 573627, 956045, 1720881, 2868135, 5162643, 8604405, 25813215]

約数ペア:

[(1, 25813215), (3, 8604405), (5, 5162643), (9, 2868135), (15, 1720881), (27, 956045), (45, 573627), (107, 241245), (135, 191209), (321, 80415), (535, 48249), (963, 26805), (1605, 16083), (1787, 14445), (2889, 8935), (4815, 5361)]