207282615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1597}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 352071360

約数和(自身を除く): 144788745

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 509, 1527, 1597, 2545, 4791, 7635, 7985, 8653, 23955, 25959, 27149, 43265, 81447, 129795, 135745, 407235, 812873, 2438619, 4064365, 12193095, 13818841, 41456523, 69094205, 207282615]

約数ペア:

[(1, 207282615), (3, 69094205), (5, 41456523), (15, 13818841), (17, 12193095), (51, 4064365), (85, 2438619), (255, 812873), (509, 407235), (1527, 135745), (1597, 129795), (2545, 81447), (4791, 43265), (7635, 27149), (7985, 25959), (8653, 23955)]