81020115

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54559}}^1$

素因数の和:54584

約数の個数: 32

約数和(自身を含む): 157132800

約数和(自身を除く): 76112685

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 54559, 163677, 272795, 491031, 600149, 818385, 1473093, 1800447, 2455155, 3000745, 5401341, 7365465, 9002235, 16204023, 27006705, 81020115]

約数ペア:

[(1, 81020115), (3, 27006705), (5, 16204023), (9, 9002235), (11, 7365465), (15, 5401341), (27, 3000745), (33, 2455155), (45, 1800447), (55, 1473093), (99, 818385), (135, 600149), (165, 491031), (297, 272795), (495, 163677), (1485, 54559)]