51708237

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 83913984

約数和(自身を除く): 32205747

約数列:

[1, 3, 7, 17, 21, 51, 119, 241, 357, 601, 723, 1687, 1803, 4097, 4207, 5061, 10217, 12291, 12621, 28679, 30651, 71519, 86037, 144841, 214557, 434523, 1013887, 2462297, 3041661, 7386891, 17236079, 51708237]

約数ペア:

[(1, 51708237), (3, 17236079), (7, 7386891), (17, 3041661), (21, 2462297), (51, 1013887), (119, 434523), (241, 214557), (357, 144841), (601, 86037), (723, 71519), (1687, 30651), (1803, 28679), (4097, 12621), (4207, 12291), (5061, 10217)]