84781215

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4159}}^1$

素因数の和:4324

約数の個数: 32

約数和(自身を含む): 151756800

約数和(自身を除く): 66975585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1359, 2265, 4077, 4159, 6795, 12477, 20385, 20795, 37431, 62385, 112293, 187155, 561465, 628009, 1884027, 3140045, 5652081, 9420135, 16956243, 28260405, 84781215]

約数ペア:

[(1, 84781215), (3, 28260405), (5, 16956243), (9, 9420135), (15, 5652081), (27, 3140045), (45, 1884027), (135, 628009), (151, 561465), (453, 187155), (755, 112293), (1359, 62385), (2265, 37431), (4077, 20795), (4159, 20385), (6795, 12477)]