81007805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 107993088

約数和(自身を除く): 26985283

約数列:

[1, 5, 17, 31, 71, 85, 155, 355, 433, 527, 1207, 2165, 2201, 2635, 6035, 7361, 11005, 13423, 30743, 36805, 37417, 67115, 153715, 187085, 228191, 522631, 953033, 1140955, 2613155, 4765165, 16201561, 81007805]

約数ペア:

[(1, 81007805), (5, 16201561), (17, 4765165), (31, 2613155), (71, 1140955), (85, 953033), (155, 522631), (355, 228191), (433, 187085), (527, 153715), (1207, 67115), (2165, 37417), (2201, 36805), (2635, 30743), (6035, 13423), (7361, 11005)]