278360640045

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29041277}}^1$

素因数の和:29041362

約数の個数: 32

約数和(自身を含む): 501833283840

約数和(自身を除く): 223472643795

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 29041277, 87123831, 145206385, 261371493, 435619155, 784114479, 1306857465, 2061930667, 3920572395, 6185792001, 10309653335, 18557376003, 30928960005, 55672128009, 92786880015, 278360640045]

約数ペア:

[(1, 278360640045), (3, 92786880015), (5, 55672128009), (9, 30928960005), (15, 18557376003), (27, 10309653335), (45, 6185792001), (71, 3920572395), (135, 2061930667), (213, 1306857465), (355, 784114479), (639, 435619155), (1065, 261371493), (1917, 145206385), (3195, 87123831), (9585, 29041277)]