247701255

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 402983424

約数和(自身を除く): 155282169

約数列:

[1, 3, 5, 15, 107, 157, 321, 471, 535, 785, 983, 1605, 2355, 2949, 4915, 14745, 16799, 50397, 83995, 105181, 154331, 251985, 315543, 462993, 525905, 771655, 1577715, 2314965, 16513417, 49540251, 82567085, 247701255]

約数ペア:

[(1, 247701255), (3, 82567085), (5, 49540251), (15, 16513417), (107, 2314965), (157, 1577715), (321, 771655), (471, 525905), (535, 462993), (785, 315543), (983, 251985), (1605, 154331), (2355, 105181), (2949, 83995), (4915, 50397), (14745, 16799)]