81657135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{259229}}^1$

素因数の和:259247

約数の個数: 24

約数和(自身を含む): 161759520

約数和(自身を除く): 80102385

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 259229, 777687, 1296145, 1814603, 2333061, 3888435, 5443809, 9073015, 11665305, 16331427, 27219045, 81657135]

約数ペア:

[(1, 81657135), (3, 27219045), (5, 16331427), (7, 11665305), (9, 9073015), (15, 5443809), (21, 3888435), (35, 2333061), (45, 1814603), (63, 1296145), (105, 777687), (315, 259229)]