26860155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 49310208

約数和(自身を除く): 22450053

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 491, 521, 1473, 1563, 2455, 2605, 3437, 3647, 7365, 7815, 10311, 10941, 17185, 18235, 51555, 54705, 255811, 767433, 1279055, 1790677, 3837165, 5372031, 8953385, 26860155]

約数ペア:

[(1, 26860155), (3, 8953385), (5, 5372031), (7, 3837165), (15, 1790677), (21, 1279055), (35, 767433), (105, 255811), (491, 54705), (521, 51555), (1473, 18235), (1563, 17185), (2455, 10941), (2605, 10311), (3437, 7815), (3647, 7365)]