81688365

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55009}}^1$

素因数の和:55034

約数の個数: 32

約数和(自身を含む): 158428800

約数和(自身を除く): 76740435

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 55009, 165027, 275045, 495081, 605099, 825135, 1485243, 1815297, 2475405, 3025495, 5445891, 7426215, 9076485, 16337673, 27229455, 81688365]

約数ペア:

[(1, 81688365), (3, 27229455), (5, 16337673), (9, 9076485), (11, 7426215), (15, 5445891), (27, 3025495), (33, 2475405), (45, 1815297), (55, 1485243), (99, 825135), (135, 605099), (165, 495081), (297, 275045), (495, 165027), (1485, 55009)]