25594209

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 38220000

約数和(自身を除く): 12625791

約数列:

[1, 3, 9, 41, 123, 139, 369, 417, 499, 1251, 1497, 4491, 5699, 17097, 20459, 51291, 61377, 69361, 184131, 208083, 624249, 2843801, 8531403, 25594209]

約数ペア:

[(1, 25594209), (3, 8531403), (9, 2843801), (41, 624249), (123, 208083), (139, 184131), (369, 69361), (417, 61377), (499, 51291), (1251, 20459), (1497, 17097), (4491, 5699)]